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D-Link DFL-860 Manuals

Manuals and User Guides for D-Link DFL-860

We have 8 D-Link DFL-860 manuals available for free PDF download: User Manual, Reference Manual, Quick Installation Manual, Brochure & Specs

  • Table of contents
    Table Of Contents3................................................................................................................................................................
    Preface14................................................................................................................................................................
    Example Notation14................................................................................................................................................................
    NetDefendOS Overview16................................................................................................................................................................
    Features16................................................................................................................................................................
    NetDefendOS Architecture19................................................................................................................................................................
    State-based Architecture19................................................................................................................................................................
    NetDefendOS Building Blocks19................................................................................................................................................................
    Basic Packet Flow20................................................................................................................................................................
    NetDefendOS State Engine Packet Flow23................................................................................................................................................................
    Packet Flow Schematic Part I23................................................................................................................................................................
    Packet Flow Schematic Part II24................................................................................................................................................................
    Packet Flow Schematic Part III25................................................................................................................................................................
    Expanded Apply Rules Logic26................................................................................................................................................................
    Management and Maintenance28................................................................................................................................................................
    Managing NetDefendOS28................................................................................................................................................................
    Overview28................................................................................................................................................................
    The Default Administrator Account29................................................................................................................................................................
    The Web Interface29................................................................................................................................................................
    The CLI33................................................................................................................................................................
    Enabling remote management via HTTPS33................................................................................................................................................................
    Enabling SSH Remote Access38................................................................................................................................................................
    CLI Scripts41................................................................................................................................................................
    Secure Copy45................................................................................................................................................................
    The Console Boot Menu47................................................................................................................................................................
    Management Advanced Settings48................................................................................................................................................................
    Working with Configurations49................................................................................................................................................................
    Listing Configuration Objects50................................................................................................................................................................
    Displaying a Configuration Object50................................................................................................................................................................
    Editing a Configuration Object51................................................................................................................................................................
    Adding a Configuration Object52................................................................................................................................................................
    Deleting a Configuration Object52................................................................................................................................................................
    Undeleting a Configuration Object53................................................................................................................................................................
    Listing Modified Configuration Objects53................................................................................................................................................................
    Activating and Committing a Configuration54................................................................................................................................................................
    Events and Logging55................................................................................................................................................................
    Log Messages55................................................................................................................................................................
    Creating Log Receivers56................................................................................................................................................................
    Logging to MemoryLogReceiver56................................................................................................................................................................
    Logging to Syslog Hosts56................................................................................................................................................................
    Enable Logging to a Syslog Host57................................................................................................................................................................
    SNMP Traps58................................................................................................................................................................
    Sending SNMP Traps to an SNMP Trap Receiver58................................................................................................................................................................
    Advanced Log Settings59................................................................................................................................................................
    RADIUS Accounting60................................................................................................................................................................
    RADIUS Accounting Messages60................................................................................................................................................................
    Interim Accounting Messages62................................................................................................................................................................
    Activating RADIUS Accounting62................................................................................................................................................................
    RADIUS Accounting Security62................................................................................................................................................................
    RADIUS Accounting and High Availability62................................................................................................................................................................
    Handling Unresponsive Servers63................................................................................................................................................................
    Accounting and System Shutdowns63................................................................................................................................................................
    Limitations with NAT63................................................................................................................................................................
    RADIUS Advanced Settings63................................................................................................................................................................
    RADIUS Accounting Server Setup64................................................................................................................................................................
    Hardware Monitoring65................................................................................................................................................................
    SNMP Monitoring67................................................................................................................................................................
    SNMP Advanced Settings68................................................................................................................................................................
    Enabling SNMP Monitoring68................................................................................................................................................................
    The pcapdump Command70................................................................................................................................................................
    Maintenance73................................................................................................................................................................
    Auto-Update Mechanism73................................................................................................................................................................
    Backing Up Configurations73................................................................................................................................................................
    Restore to Factory Defaults74................................................................................................................................................................
    Backing up the Entire System74................................................................................................................................................................
    Complete Hardware Reset to Factory Defaults74................................................................................................................................................................
    Fundamentals77................................................................................................................................................................
    The Address Book77................................................................................................................................................................
    IP Addresses77................................................................................................................................................................
    Adding an IP Host78................................................................................................................................................................
    Adding an IP Network78................................................................................................................................................................
    Adding an IP Range78................................................................................................................................................................
    Ethernet Addresses79................................................................................................................................................................
    Deleting an Address Object79................................................................................................................................................................
    Adding an Ethernet Address79................................................................................................................................................................
    Address Groups80................................................................................................................................................................
    Auto-Generated Address Objects81................................................................................................................................................................
    Address Book Folders81................................................................................................................................................................
    Services82................................................................................................................................................................
    Listing the Available Services82................................................................................................................................................................
    Creating Custom Services83................................................................................................................................................................
    Viewing a Specific Service83................................................................................................................................................................
    ICMP Services86................................................................................................................................................................
    Creating a Custom TCP/UDP Service86................................................................................................................................................................
    Custom IP Protocol Services88................................................................................................................................................................
    Service Groups88................................................................................................................................................................
    Adding an IP Protocol Service88................................................................................................................................................................
    Custom Service Timeouts89................................................................................................................................................................
    Interfaces90................................................................................................................................................................
    Ethernet Interfaces92................................................................................................................................................................
    VLAN97................................................................................................................................................................
    VLAN Connections99................................................................................................................................................................
    Defining a VLAN100................................................................................................................................................................
    PPPoE101................................................................................................................................................................
    GRE Tunnels103................................................................................................................................................................
    Configuring a PPPoE Client103................................................................................................................................................................
    Interface Groups107................................................................................................................................................................
    Creating an Interface Group107................................................................................................................................................................
    The NetDefendOS ARP Cache108................................................................................................................................................................
    Displaying the ARP Cache109................................................................................................................................................................
    Flushing the ARP Cache109................................................................................................................................................................
    Creating ARP Objects110................................................................................................................................................................
    Defining a Static ARP Entry110................................................................................................................................................................
    Using ARP Advanced Settings112................................................................................................................................................................
    An ARP Publish Ethernet Frame112................................................................................................................................................................
    ARP Advanced Settings Summary113................................................................................................................................................................
    IP Rule Sets116................................................................................................................................................................
    Security Policies116................................................................................................................................................................
    IP Rule Evaluation118................................................................................................................................................................
    Simplified NetDefendOS Traffic Flow118................................................................................................................................................................
    IP Rule Actions119................................................................................................................................................................
    Editing IP rule set Entries120................................................................................................................................................................
    IP Rule Set Folders121................................................................................................................................................................
    Adding an Allow IP Rule121................................................................................................................................................................
    Configuration Object Groups122................................................................................................................................................................
    Schedules126................................................................................................................................................................
    Setting up a Time-Scheduled Policy127................................................................................................................................................................
    Certificates128................................................................................................................................................................
    Certificates in NetDefendOS129................................................................................................................................................................
    CA Certificate Requests130................................................................................................................................................................
    Uploading a Certificate130................................................................................................................................................................
    Associating Certificates with IPsec Tunnels130................................................................................................................................................................
    Date and Time132................................................................................................................................................................
    Setting Date and Time132................................................................................................................................................................
    Setting the Current Date and Time132................................................................................................................................................................
    Time Servers133................................................................................................................................................................
    Setting the Time Zone133................................................................................................................................................................
    Enabling DST133................................................................................................................................................................
    Enabling Time Synchronization using SNTP134................................................................................................................................................................
    Manually Triggering a Time Synchronization135................................................................................................................................................................
    Modifying the Maximum Adjustment Value135................................................................................................................................................................
    Settings Summary for Date and Time136................................................................................................................................................................
    Forcing Time Synchronization136................................................................................................................................................................
    Enabling the D-Link NTP Server136................................................................................................................................................................
    Configuring DNS Servers139................................................................................................................................................................
    Routing142................................................................................................................................................................
    Static Routing143................................................................................................................................................................
    The Principles of Routing143................................................................................................................................................................
    A Typical Routing Scenario144................................................................................................................................................................
    Using Local IP Address with an Unbound Network146................................................................................................................................................................
    Displaying the main Routing Table149................................................................................................................................................................
    Displaying the Core Routes150................................................................................................................................................................
    Route Failover151................................................................................................................................................................
    A Route Failover Scenario for ISP Access152................................................................................................................................................................
    Host Monitoring for Route Failover154................................................................................................................................................................
    Advanced Settings for Route Failover156................................................................................................................................................................
    Proxy ARP157................................................................................................................................................................
    A Proxy ARP Example158................................................................................................................................................................
    Policy-based Routing160................................................................................................................................................................
    Policy-based Routing Tables160................................................................................................................................................................
    Policy-based Routing Rules160................................................................................................................................................................
    Routing Table Selection161................................................................................................................................................................
    The Ordering parameter161................................................................................................................................................................
    Creating a Policy-based Routing Table162................................................................................................................................................................
    Creating the Route162................................................................................................................................................................
    Policy-based Routing Configuration163................................................................................................................................................................
    Route Load Balancing165................................................................................................................................................................
    The RLB Round Robin Algorithm166................................................................................................................................................................
    The RLB Spillover Algorithm167................................................................................................................................................................
    A Route Load Balancing Scenario169................................................................................................................................................................
    Setting Up RLB169................................................................................................................................................................
    OSPF171................................................................................................................................................................
    Dynamic Routing171................................................................................................................................................................
    A Simple OSPF Scenario172................................................................................................................................................................
    OSPF Providing Route Redundancy173................................................................................................................................................................
    OSPF Concepts174................................................................................................................................................................
    Virtual Links Connecting Areas177................................................................................................................................................................
    Virtual Links with Partitioned Backbone178................................................................................................................................................................
    OSPF Components179................................................................................................................................................................
    NetDefendOS OSPF Objects179................................................................................................................................................................
    Dynamic Routing Rules185................................................................................................................................................................
    Dynamic Routing Rule Objects186................................................................................................................................................................
    Setting Up OSPF188................................................................................................................................................................
    An OSPF Example191................................................................................................................................................................
    Creating an OSPF Router Process192................................................................................................................................................................
    Add an OSPF Area192................................................................................................................................................................
    Add OSPF Interface Objects192................................................................................................................................................................
    Import Routes from an OSPF AS into the Main Routing Table192................................................................................................................................................................
    Exporting the Default Route into an OSPF AS193................................................................................................................................................................
    Multicast Routing194................................................................................................................................................................
    Multicast Forwarding with SAT Multiplex Rules195................................................................................................................................................................
    Multicast Forwarding - No Address Translation196................................................................................................................................................................
    Forwarding of Multicast Traffic using the SAT Multiplex Rule196................................................................................................................................................................
    Multicast Forwarding - Address Translation198................................................................................................................................................................
    IGMP Configuration199................................................................................................................................................................
    Multicast Snoop Mode200................................................................................................................................................................
    Multicast Proxy Mode200................................................................................................................................................................
    IGMP - No Address Translation201................................................................................................................................................................
    if1 Configuration202................................................................................................................................................................
    if2 Configuration - Group Translation203................................................................................................................................................................
    Advanced IGMP Settings204................................................................................................................................................................
    Transparent Mode207................................................................................................................................................................
    Enabling Internet Access211................................................................................................................................................................
    Non-transparent Mode Internet Access212................................................................................................................................................................
    Transparent Mode Internet Access212................................................................................................................................................................
    Transparent Mode Scenarios213................................................................................................................................................................
    Transparent Mode Scenario 1214................................................................................................................................................................
    Setting up Transparent Mode for Scenario 1214................................................................................................................................................................
    Transparent Mode Scenario 2215................................................................................................................................................................
    Setting up Transparent Mode for Scenario 2215................................................................................................................................................................
    Spanning Tree BPDU Support217................................................................................................................................................................
    Advanced Settings for Transparent Mode218................................................................................................................................................................
    An Example BPDU Relaying Scenario218................................................................................................................................................................
    DHCP Services223................................................................................................................................................................
    DHCP Servers224................................................................................................................................................................
    Setting up a DHCP server225................................................................................................................................................................
    Checking DHCP Server Status226................................................................................................................................................................
    Static DHCP Hosts227................................................................................................................................................................
    DHCP Server Objects227................................................................................................................................................................
    Custom Options228................................................................................................................................................................
    Static DHCP Host Assignment228................................................................................................................................................................
    DHCP Relaying230................................................................................................................................................................
    Setting up a DHCP Relayer230................................................................................................................................................................
    DHCP Relay Advanced Settings231................................................................................................................................................................
    IP Pools233................................................................................................................................................................
    Creating an IP Pool235................................................................................................................................................................
    Security Mechanisms237................................................................................................................................................................
    Access Rules237................................................................................................................................................................
    IP Spoofing238................................................................................................................................................................
    Access Rule Settings238................................................................................................................................................................
    Setting up an Access Rule239................................................................................................................................................................
    ALGs240................................................................................................................................................................
    Deploying an ALG240................................................................................................................................................................
    The HTTP ALG241................................................................................................................................................................
    HTTP ALG Processing Order243................................................................................................................................................................
    The FTP ALG244................................................................................................................................................................
    Protecting an FTP Server with an ALG248................................................................................................................................................................
    Protecting FTP Clients251................................................................................................................................................................
    The TFTP ALG253................................................................................................................................................................
    The SMTP ALG254................................................................................................................................................................
    SMTP ALG Processing Order256................................................................................................................................................................
    Anti-Spam Filtering258................................................................................................................................................................
    The POP3 ALG263................................................................................................................................................................
    The PPTP ALG264................................................................................................................................................................
    PPTP ALG Usage264................................................................................................................................................................
    The SIP ALG265................................................................................................................................................................
    The H.323 ALG275................................................................................................................................................................
    Protecting Phones Behind NetDefend Firewalls277................................................................................................................................................................
    H.323 with private IP addresses279................................................................................................................................................................
    Two Phones Behind Different NetDefend Firewalls280................................................................................................................................................................
    Using Private IP Addresses281................................................................................................................................................................
    H.323 with Gatekeeper282................................................................................................................................................................
    H.323 with Gatekeeper and two NetDefend Firewalls284................................................................................................................................................................
    Using the H.323 ALG in a Corporate Environment285................................................................................................................................................................
    Configuring remote offices for H.323288................................................................................................................................................................
    Allowing the H.323 Gateway to register with the Gatekeeper288................................................................................................................................................................
    The TLS ALG289................................................................................................................................................................
    TLS Termination290................................................................................................................................................................
    Web Content Filtering292................................................................................................................................................................
    Active Content Handling292................................................................................................................................................................
    Static Content Filtering293................................................................................................................................................................
    Stripping ActiveX and Java applets293................................................................................................................................................................
    Setting up a white and blacklist294................................................................................................................................................................
    Dynamic Web Content Filtering295................................................................................................................................................................
    Dynamic Content Filtering Flow296................................................................................................................................................................
    Enabling Dynamic Web Content Filtering297................................................................................................................................................................
    Enabling Audit Mode299................................................................................................................................................................
    Reclassifying a blocked site300................................................................................................................................................................
    Editing Content Filtering HTTP Banner Files307................................................................................................................................................................
    Anti-Virus Scanning309................................................................................................................................................................
    Implementation309................................................................................................................................................................
    Activating Anti-Virus Scanning310................................................................................................................................................................
    The Signature Database311................................................................................................................................................................
    Subscribing to the D-Link Anti-Virus Service311................................................................................................................................................................
    Anti-Virus Options311................................................................................................................................................................
    Intrusion Detection and Prevention315................................................................................................................................................................
    IDP Availability for D-Link Models315................................................................................................................................................................
    IDP Database Updating316................................................................................................................................................................
    IDP Rules317................................................................................................................................................................
    Insertion/Evasion Attack Prevention318................................................................................................................................................................
    IDP Pattern Matching319................................................................................................................................................................
    IDP Signature Groups320................................................................................................................................................................
    IDP Actions322................................................................................................................................................................
    SMTP Log Receiver for IDP Events322................................................................................................................................................................
    Configuring an SMTP Log Receiver323................................................................................................................................................................
    Setting up IDP for a Mail Server323................................................................................................................................................................
    Denial-of-Service Attack Prevention326................................................................................................................................................................
    DoS Attack Mechanisms326................................................................................................................................................................
    Ping of Death and Jolt Attacks326................................................................................................................................................................
    Fragmentation overlap attacks: Teardrop, Bonk, Boink and Nestea327................................................................................................................................................................
    The Land and LaTierra attacks327................................................................................................................................................................
    The WinNuke attack327................................................................................................................................................................
    Amplification attacks: Smurf, Papasmurf, Fraggle328................................................................................................................................................................
    TCP SYN Flood Attacks329................................................................................................................................................................
    The Jolt2 Attack329................................................................................................................................................................
    Distributed DoS Attacks329................................................................................................................................................................
    Blacklisting Hosts and Networks331................................................................................................................................................................
    Adding a Host to the Whitelist332................................................................................................................................................................
    Address Translation334................................................................................................................................................................
    NAT IP Address Translation335................................................................................................................................................................
    A NAT Example337................................................................................................................................................................
    Adding a NAT Rule337................................................................................................................................................................
    Anonymizing with NAT339................................................................................................................................................................
    NAT Pools340................................................................................................................................................................
    Using NAT Pools341................................................................................................................................................................
    Translation of a Single IP Address (1:1)343................................................................................................................................................................
    The Role of the DMZ344................................................................................................................................................................
    Enabling Traffic to a Protected Web Server in a DMZ344................................................................................................................................................................
    Enabling Traffic to a Web Server on an Internal Network346................................................................................................................................................................
    Translation of Multiple IP Addresses (M:N)348................................................................................................................................................................
    Translating Traffic to Multiple Protected Web Servers348................................................................................................................................................................
    All-to-One Mappings (N:1)350................................................................................................................................................................
    Port Translation350................................................................................................................................................................
    Protocols Handled by SAT351................................................................................................................................................................
    Multiple SAT Rule Matches351................................................................................................................................................................
    SAT and FwdFast Rules352................................................................................................................................................................
    User Authentication355................................................................................................................................................................
    Authentication Setup357................................................................................................................................................................
    Setup Summary357................................................................................................................................................................
    The Local Database357................................................................................................................................................................
    External RADIUS Servers359................................................................................................................................................................
    External LDAP Servers359................................................................................................................................................................
    Normal LDAP Authentication365................................................................................................................................................................
    Authentication Rules366................................................................................................................................................................
    LDAP for PPP with CHAP, MS-CHAPv1 or MS-CHAPv2366................................................................................................................................................................
    Authentication Processing368................................................................................................................................................................
    A Group Usage Example369................................................................................................................................................................
    HTTP Authentication369................................................................................................................................................................
    Creating an Authentication User Group371................................................................................................................................................................
    User Authentication Setup for Web Access371................................................................................................................................................................
    Configuring a RADIUS Server372................................................................................................................................................................
    Customizing HTML Pages373................................................................................................................................................................
    VPN Usage377................................................................................................................................................................
    VPN Encryption378................................................................................................................................................................
    VPN Planning378................................................................................................................................................................
    Key Distribution379................................................................................................................................................................
    The TLS Alternative for VPN379................................................................................................................................................................
    VPN Quick Start381................................................................................................................................................................
    IPsec LAN to LAN with Pre-shared Keys382................................................................................................................................................................
    IPsec LAN to LAN with Certificates383................................................................................................................................................................
    IPsec Roaming Clients with Pre-shared Keys384................................................................................................................................................................
    IPsec Roaming Clients with Certificates386................................................................................................................................................................
    L2TP Roaming Clients with Pre-Shared Keys387................................................................................................................................................................
    L2TP Roaming Clients with Certificates388................................................................................................................................................................
    PPTP Roaming Clients389................................................................................................................................................................
    IPsec Components391................................................................................................................................................................
    Internet Key Exchange (IKE)391................................................................................................................................................................
    IKE Authentication397................................................................................................................................................................
    IPsec Protocols (ESP/AH)398................................................................................................................................................................
    NAT Traversal399................................................................................................................................................................
    The AH protocol399................................................................................................................................................................
    The ESP protocol399................................................................................................................................................................
    Algorithm Proposal Lists401................................................................................................................................................................
    Using an Algorithm Proposal List401................................................................................................................................................................
    Pre-shared Keys402................................................................................................................................................................
    Using a Pre-Shared key402................................................................................................................................................................
    Identification Lists403................................................................................................................................................................
    Using an Identity List404................................................................................................................................................................
    IPsec Tunnels406................................................................................................................................................................
    LAN to LAN Tunnels with Pre-shared Keys408................................................................................................................................................................
    Roaming Clients408................................................................................................................................................................
    Setting up a PSK based VPN tunnel for roaming clients409................................................................................................................................................................
    Setting up a Self-signed Certificate based VPN tunnel for roaming clients409................................................................................................................................................................
    Setting up CA Server Certificate based VPN tunnels for roaming clients411................................................................................................................................................................
    Setting Up Config Mode412................................................................................................................................................................
    Fetching CRLs from an alternate LDAP server413................................................................................................................................................................
    Using Config Mode with IPsec Tunnels413................................................................................................................................................................
    Setting up an LDAP server413................................................................................................................................................................
    Troubleshooting with ikesnoop414................................................................................................................................................................
    IPsec Advanced Settings421................................................................................................................................................................
    PPTP/L2TP425................................................................................................................................................................
    PPTP Servers425................................................................................................................................................................
    L2TP Servers426................................................................................................................................................................
    Setting up a PPTP server426................................................................................................................................................................
    Setting up an L2TP server427................................................................................................................................................................
    Setting up an L2TP Tunnel Over IPsec427................................................................................................................................................................
    L2TP/PPTP Server advanced settings430................................................................................................................................................................
    PPTP/L2TP Clients431................................................................................................................................................................
    PPTP Client Usage433................................................................................................................................................................
    Certificate Validation Components435................................................................................................................................................................
    VPN Troubleshooting437................................................................................................................................................................
    General Troubleshooting437................................................................................................................................................................
    Troubleshooting Certificates437................................................................................................................................................................
    IPsec Troubleshooting Commands438................................................................................................................................................................
    Management Interface Failure with VPN439................................................................................................................................................................
    Specific Error Messages439................................................................................................................................................................
    Specific Symptoms442................................................................................................................................................................
    Traffic Management444................................................................................................................................................................
    Traffic Shaping444................................................................................................................................................................
    Traffic Shaping in NetDefendOS445................................................................................................................................................................
    Pipe Rules Determine Pipe Usage446................................................................................................................................................................
    Simple Bandwidth Limiting447................................................................................................................................................................
    FwdFast Rules Bypass Traffic Shaping447................................................................................................................................................................
    Applying a Simple Bandwidth Limit447................................................................................................................................................................
    Limiting Bandwidth in Both Directions448................................................................................................................................................................
    Creating Differentiated Limits Using Chains449................................................................................................................................................................
    Precedences450................................................................................................................................................................
    Differentiated Limits Using Chains450................................................................................................................................................................
    The Eight Pipe Precedences451................................................................................................................................................................
    Minimum and Maximum Pipe Precedence453................................................................................................................................................................
    Pipe Groups455................................................................................................................................................................
    Traffic Grouped By IP Address457................................................................................................................................................................
    Traffic Shaping Recommendations458................................................................................................................................................................
    A Summary of Traffic Shaping459................................................................................................................................................................
    More Pipe Examples460................................................................................................................................................................
    Setting Up IDP Traffic Shaping465................................................................................................................................................................
    Processing Flow466................................................................................................................................................................
    The Importance of Specifying a Network466................................................................................................................................................................
    A P2P Scenario467................................................................................................................................................................
    IDP Traffic Shaping P2P Scenario467................................................................................................................................................................
    Viewing Traffic Shaping Objects468................................................................................................................................................................
    Guaranteeing Instead of Limiting Bandwidth469................................................................................................................................................................
    Logging469................................................................................................................................................................
    Threshold Rules470................................................................................................................................................................
    Limiting the Connection Rate/Total Connections470................................................................................................................................................................
    Grouping471................................................................................................................................................................
    Rule Actions471................................................................................................................................................................
    Multiple Triggered Actions471................................................................................................................................................................
    Exempted Connections471................................................................................................................................................................
    Threshold Rules and ZoneDefense471................................................................................................................................................................
    Threshold Rule Blacklisting471................................................................................................................................................................
    Server Load Balancing473................................................................................................................................................................
    SLB Distribution Algorithms474................................................................................................................................................................
    Selecting Stickiness475................................................................................................................................................................
    SLB Algorithms and Stickiness476................................................................................................................................................................
    Connections from Three Clients476................................................................................................................................................................
    Server Health Monitoring477................................................................................................................................................................
    Stickiness and Round-Robin477................................................................................................................................................................
    Stickiness and Connection-rate477................................................................................................................................................................
    Setting Up SLB_SAT Rules478................................................................................................................................................................
    Setting up SLB478................................................................................................................................................................
    High Availability482................................................................................................................................................................
    HA Mechanisms484................................................................................................................................................................
    Setting Up HA487................................................................................................................................................................
    HA Hardware Setup487................................................................................................................................................................
    NetDefendOS Manual HA Setup488................................................................................................................................................................
    Verifying the Cluster Functions489................................................................................................................................................................
    Unique Shared Mac Addresses490................................................................................................................................................................
    HA Issues491................................................................................................................................................................
    Upgrading an HA Cluster493................................................................................................................................................................
    HA Advanced Settings495................................................................................................................................................................
    ZoneDefense497................................................................................................................................................................
    ZoneDefense Switches498................................................................................................................................................................
    ZoneDefense Operation499................................................................................................................................................................
    SNMP499................................................................................................................................................................
    Manual Blocking and Exclude Lists499................................................................................................................................................................
    A simple ZoneDefense scenario500................................................................................................................................................................
    ZoneDefense with Anti-Virus Scanning501................................................................................................................................................................
    Limitations501................................................................................................................................................................
    Advanced Settings504................................................................................................................................................................
    IP Level Settings504................................................................................................................................................................
    TCP Level Settings508................................................................................................................................................................
    ICMP Level Settings513................................................................................................................................................................
    State Settings514................................................................................................................................................................
    Connection Timeout Settings516................................................................................................................................................................
    Length Limit Settings518................................................................................................................................................................
    Fragmentation Settings520................................................................................................................................................................
    Local Fragment Reassembly Settings524................................................................................................................................................................
    Miscellaneous Settings525................................................................................................................................................................
    A. Subscribing to Updates527................................................................................................................................................................
    B. IDP Signature Groups529................................................................................................................................................................
    C. Verified MIME filetypes533................................................................................................................................................................
    D. The OSI Framework537................................................................................................................................................................
    D.1. The 7 Layers of the OSI Model537................................................................................................................................................................
    Alphabetical Index538................................................................................................................................................................
  • D-Link DFL-860 User Manual (495 pages)

    Network security firewall

    Table of contents
    Table Of Contents4................................................................................................................................................................
    Preface13................................................................................................................................................................
    Example Notation13................................................................................................................................................................
    NetDefendOS Overview15................................................................................................................................................................
    Features15................................................................................................................................................................
    NetDefendOS Architecture18................................................................................................................................................................
    State-based Architecture18................................................................................................................................................................
    NetDefendOS Building Blocks18................................................................................................................................................................
    Basic Packet Flow19................................................................................................................................................................
    NetDefendOS State Engine Packet Flow21................................................................................................................................................................
    Packet Flow Schematic Part I21................................................................................................................................................................
    Packet Flow Schematic Part II22................................................................................................................................................................
    Packet Flow Schematic Part III23................................................................................................................................................................
    Expanded Apply Rules Logic24................................................................................................................................................................
    Management and Maintenance26................................................................................................................................................................
    Managing NetDefendOS26................................................................................................................................................................
    Overview26................................................................................................................................................................
    The Default Administrator Account27................................................................................................................................................................
    The Web Interface27................................................................................................................................................................
    The CLI31................................................................................................................................................................
    Enabling remote management via HTTPS31................................................................................................................................................................
    Enabling SSH Remote Access36................................................................................................................................................................
    CLI Scripts39................................................................................................................................................................
    Secure Copy42................................................................................................................................................................
    The Console Boot Menu45................................................................................................................................................................
    Management Advanced Settings46................................................................................................................................................................
    Working with Configurations47................................................................................................................................................................
    Listing Configuration Objects48................................................................................................................................................................
    Displaying a Configuration Object48................................................................................................................................................................
    Editing a Configuration Object49................................................................................................................................................................
    Adding a Configuration Object49................................................................................................................................................................
    Deleting a Configuration Object50................................................................................................................................................................
    Undeleting a Configuration Object50................................................................................................................................................................
    Listing Modified Configuration Objects51................................................................................................................................................................
    Activating and Committing a Configuration51................................................................................................................................................................
    Events and Logging53................................................................................................................................................................
    Log Messages53................................................................................................................................................................
    Log Message Distribution54................................................................................................................................................................
    Enable Logging to a Syslog Host55................................................................................................................................................................
    Advanced Log Settings56................................................................................................................................................................
    Sending SNMP Traps to an SNMP Trap Receiver56................................................................................................................................................................
    RADIUS Accounting58................................................................................................................................................................
    RADIUS Accounting Messages58................................................................................................................................................................
    Interim Accounting Messages60................................................................................................................................................................
    Activating RADIUS Accounting60................................................................................................................................................................
    RADIUS Accounting Security60................................................................................................................................................................
    RADIUS Accounting and High Availability60................................................................................................................................................................
    Handling Unresponsive Servers61................................................................................................................................................................
    Accounting and System Shutdowns61................................................................................................................................................................
    Limitations with NAT61................................................................................................................................................................
    RADIUS Advanced Settings61................................................................................................................................................................
    RADIUS Accounting Server Setup62................................................................................................................................................................
    Hardware Monitoring63................................................................................................................................................................
    SNMP Monitoring65................................................................................................................................................................
    SNMP Advanced Settings66................................................................................................................................................................
    Enabling SNMP Monitoring66................................................................................................................................................................
    The pcapdump Command68................................................................................................................................................................
    Maintenance71................................................................................................................................................................
    Auto-Update Mechanism71................................................................................................................................................................
    Creating Backup Files71................................................................................................................................................................
    Restore to Factory Defaults72................................................................................................................................................................
    Backing up the Entire System72................................................................................................................................................................
    Complete Hardware Reset to Factory Defaults72................................................................................................................................................................
    Fundamentals75................................................................................................................................................................
    The Address Book75................................................................................................................................................................
    IP Addresses75................................................................................................................................................................
    Adding an IP Host76................................................................................................................................................................
    Adding an IP Network76................................................................................................................................................................
    Adding an IP Range76................................................................................................................................................................
    Ethernet Addresses77................................................................................................................................................................
    Deleting an Address Object77................................................................................................................................................................
    Adding an Ethernet Address77................................................................................................................................................................
    Address Groups78................................................................................................................................................................
    Auto-Generated Address Objects78................................................................................................................................................................
    Address Book Folders79................................................................................................................................................................
    Services80................................................................................................................................................................
    Listing the Available Services80................................................................................................................................................................
    TCP and UDP Based Services81................................................................................................................................................................
    Viewing a Specific Service81................................................................................................................................................................
    Adding a TCP/UDP Service82................................................................................................................................................................
    ICMP Services83................................................................................................................................................................
    Custom IP Protocol Services84................................................................................................................................................................
    Adding an IP Protocol Service84................................................................................................................................................................
    Service Groups85................................................................................................................................................................
    Interfaces86................................................................................................................................................................
    Ethernet Interfaces87................................................................................................................................................................
    Enabling DHCP89................................................................................................................................................................
    VLAN92................................................................................................................................................................
    VLAN Connections92................................................................................................................................................................
    Defining a VLAN94................................................................................................................................................................
    PPPoE95................................................................................................................................................................
    Configuring a PPPoE client96................................................................................................................................................................
    GRE Tunnels97................................................................................................................................................................
    Interface Groups100................................................................................................................................................................
    Creating an Interface Group100................................................................................................................................................................
    ARP in NetDefendOS102................................................................................................................................................................
    ARP Cache102................................................................................................................................................................
    Displaying the ARP Cache103................................................................................................................................................................
    Flushing the ARP Cache103................................................................................................................................................................
    Static and Published ARP Entries104................................................................................................................................................................
    Defining a Static ARP Entry104................................................................................................................................................................
    Using ARP Advanced Settings105................................................................................................................................................................
    ARP Advanced Settings Summary106................................................................................................................................................................
    The IP Rule Set109................................................................................................................................................................
    Security Policies109................................................................................................................................................................
    IP Rule Evaluation111................................................................................................................................................................
    Simplified NetDefendOS Traffic Flow111................................................................................................................................................................
    IP Rule Actions112................................................................................................................................................................
    Editing IP rule set Entries113................................................................................................................................................................
    IP Rule Set Folders113................................................................................................................................................................
    Adding an Allow IP Rule114................................................................................................................................................................
    Schedules115................................................................................................................................................................
    Setting up a Time-Scheduled Policy115................................................................................................................................................................
    Certificates117................................................................................................................................................................
    Certificates in NetDefendOS118................................................................................................................................................................
    CA Certificate Requests119................................................................................................................................................................
    Uploading a Certificate119................................................................................................................................................................
    Associating Certificates with IPsec Tunnels119................................................................................................................................................................
    Date and Time121................................................................................................................................................................
    Setting Date and Time121................................................................................................................................................................
    Setting the Current Date and Time121................................................................................................................................................................
    Time Servers122................................................................................................................................................................
    Setting the Time Zone122................................................................................................................................................................
    Enabling DST122................................................................................................................................................................
    Enabling Time Synchronization using SNTP123................................................................................................................................................................
    Manually Triggering a Time Synchronization124................................................................................................................................................................
    Modifying the Maximum Adjustment Value124................................................................................................................................................................
    Settings Summary for Date and Time125................................................................................................................................................................
    Forcing Time Synchronization125................................................................................................................................................................
    Enabling the D-Link NTP Server125................................................................................................................................................................
    Configuring DNS Servers128................................................................................................................................................................
    Routing131................................................................................................................................................................
    Static Routing132................................................................................................................................................................
    The Principles of Routing132................................................................................................................................................................
    A Typical Routing Scenario133................................................................................................................................................................
    Using Local IP Address with an Unbound Network135................................................................................................................................................................
    Displaying the main Routing Table137................................................................................................................................................................
    Displaying the Core Routes139................................................................................................................................................................
    Route Failover140................................................................................................................................................................
    A Route Failover Scenario for ISP Access140................................................................................................................................................................
    Host Monitoring for Route Failover142................................................................................................................................................................
    Proxy ARP145................................................................................................................................................................
    Policy-based Routing146................................................................................................................................................................
    Policy-based Routing Tables146................................................................................................................................................................
    Policy-based Routing Rules146................................................................................................................................................................
    Routing Table Selection147................................................................................................................................................................
    The Ordering parameter147................................................................................................................................................................
    Creating a Policy-based Routing Table148................................................................................................................................................................
    Creating the Route148................................................................................................................................................................
    Policy-based Routing Configuration149................................................................................................................................................................
    Route Load Balancing151................................................................................................................................................................
    The RLB Round Robin Algorithm152................................................................................................................................................................
    The RLB Spillover Algorithm152................................................................................................................................................................
    A Route Load Balancing Scenario155................................................................................................................................................................
    Setting Up RLB155................................................................................................................................................................
    Dynamic Routing157................................................................................................................................................................
    Dynamic Routing overview157................................................................................................................................................................
    OSPF158................................................................................................................................................................
    Virtual Links Example 1160................................................................................................................................................................
    Virtual Links Example 2161................................................................................................................................................................
    Dynamic Routing Policy162................................................................................................................................................................
    Importing Routes from an OSPF AS into the Main Routing Table163................................................................................................................................................................
    Exporting the Default Route into an OSPF AS163................................................................................................................................................................
    Multicast Routing165................................................................................................................................................................
    Multicast Forwarding with SAT Multiplex Rules165................................................................................................................................................................
    Multicast Forwarding - No Address Translation166................................................................................................................................................................
    Forwarding of Multicast Traffic using the SAT Multiplex Rule167................................................................................................................................................................
    Multicast Forwarding - Address Translation168................................................................................................................................................................
    IGMP Configuration169................................................................................................................................................................
    Multicast Snoop170................................................................................................................................................................
    Multicast Proxy170................................................................................................................................................................
    IGMP - No Address Translation171................................................................................................................................................................
    if1 Configuration172................................................................................................................................................................
    if2 Configuration - Group Translation173................................................................................................................................................................
    Advanced IGMP Settings174................................................................................................................................................................
    Transparent Mode177................................................................................................................................................................
    Enabling Internet Access181................................................................................................................................................................
    Non-transparent Mode Internet Access181................................................................................................................................................................
    Transparent Mode Internet Access182................................................................................................................................................................
    Transparent Mode Scenarios183................................................................................................................................................................
    Transparent Mode Scenario 1183................................................................................................................................................................
    Setting up Transparent Mode for Scenario 1184................................................................................................................................................................
    Transparent Mode Scenario 2185................................................................................................................................................................
    Setting up Transparent Mode for Scenario 2185................................................................................................................................................................
    Spanning Tree BPDU Support187................................................................................................................................................................
    An Example BPDU Relaying Scenario187................................................................................................................................................................
    Advanced Settings for Transparent Mode188................................................................................................................................................................
    DHCP Services192................................................................................................................................................................
    DHCP Servers193................................................................................................................................................................
    Setting up a DHCP server194................................................................................................................................................................
    Checking DHCP Server Status194................................................................................................................................................................
    Static DHCP Assignment196................................................................................................................................................................
    DHCP Advanced Settings196................................................................................................................................................................
    Setting up Static DHCP196................................................................................................................................................................
    DHCP Relaying198................................................................................................................................................................
    Setting up a DHCP Relayer198................................................................................................................................................................
    DHCP Relay Advanced Settings199................................................................................................................................................................
    IP Pools201................................................................................................................................................................
    Creating an IP Pool202................................................................................................................................................................
    Security Mechanisms204................................................................................................................................................................
    Access Rules204................................................................................................................................................................
    IP Spoofing204................................................................................................................................................................
    Access Rule Settings205................................................................................................................................................................
    Setting up an Access Rule206................................................................................................................................................................
    ALGs207................................................................................................................................................................
    Deploying an ALG207................................................................................................................................................................
    The HTTP ALG208................................................................................................................................................................
    HTTP ALG Processing Order210................................................................................................................................................................
    The FTP ALG211................................................................................................................................................................
    Protecting an FTP Server with an ALG213................................................................................................................................................................
    Protecting FTP Clients216................................................................................................................................................................
    The TFTP ALG217................................................................................................................................................................
    The SMTP ALG218................................................................................................................................................................
    SMTP ALG Processing Order220................................................................................................................................................................
    DNSBL SPAM Filtering222................................................................................................................................................................
    The POP3 ALG227................................................................................................................................................................
    The PPTP ALG227................................................................................................................................................................
    PPTP ALG Usage228................................................................................................................................................................
    The SIP ALG229................................................................................................................................................................
    The H.323 ALG239................................................................................................................................................................
    Protecting Phones Behind NetDefend Firewalls241................................................................................................................................................................
    H.323 with private IP addresses242................................................................................................................................................................
    Two Phones Behind Different NetDefend Firewalls243................................................................................................................................................................
    Using Private IP Addresses244................................................................................................................................................................
    H.323 with Gatekeeper245................................................................................................................................................................
    H.323 with Gatekeeper and two NetDefend Firewalls247................................................................................................................................................................
    Using the H.323 ALG in a Corporate Environment248................................................................................................................................................................
    Configuring remote offices for H.323251................................................................................................................................................................
    Allowing the H.323 Gateway to register with the Gatekeeper251................................................................................................................................................................
    The TLS ALG252................................................................................................................................................................
    TLS Termination252................................................................................................................................................................
    Web Content Filtering255................................................................................................................................................................
    Active Content Handling255................................................................................................................................................................
    Static Content Filtering256................................................................................................................................................................
    Stripping ActiveX and Java applets256................................................................................................................................................................
    Setting up a white and blacklist257................................................................................................................................................................
    Dynamic Web Content Filtering258................................................................................................................................................................
    Dynamic Content Filtering Flow259................................................................................................................................................................
    Enabling Dynamic Web Content Filtering260................................................................................................................................................................
    Enabling Audit Mode262................................................................................................................................................................
    Reclassifying a blocked site263................................................................................................................................................................
    Editing Content Filtering HTTP Banner Files270................................................................................................................................................................
    Anti-Virus Scanning272................................................................................................................................................................
    Implementation272................................................................................................................................................................
    Activating Anti-Virus Scanning273................................................................................................................................................................
    The Signature Database274................................................................................................................................................................
    Subscribing to the D-Link Anti-Virus Service274................................................................................................................................................................
    Anti-Virus Options274................................................................................................................................................................
    Intrusion Detection and Prevention278................................................................................................................................................................
    IDP Availability for D-Link Models278................................................................................................................................................................
    IDP Database Updating279................................................................................................................................................................
    IDP Rules280................................................................................................................................................................
    Insertion/Evasion Attack Prevention281................................................................................................................................................................
    IDP Pattern Matching282................................................................................................................................................................
    IDP Signature Groups283................................................................................................................................................................
    IDP Actions285................................................................................................................................................................
    SMTP Log Receiver for IDP Events285................................................................................................................................................................
    Configuring an SMTP Log Receiver286................................................................................................................................................................
    Setting up IDP for a Mail Server286................................................................................................................................................................
    Denial-of-Service Attack Prevention289................................................................................................................................................................
    DoS Attack Mechanisms289................................................................................................................................................................
    Ping of Death and Jolt Attacks289................................................................................................................................................................
    Fragmentation overlap attacks: Teardrop, Bonk, Boink and Nestea290................................................................................................................................................................
    The Land and LaTierra attacks290................................................................................................................................................................
    The WinNuke attack290................................................................................................................................................................
    Amplification attacks: Smurf, Papasmurf, Fraggle291................................................................................................................................................................
    TCP SYN Flood Attacks292................................................................................................................................................................
    The Jolt2 Attack292................................................................................................................................................................
    Distributed DoS Attacks292................................................................................................................................................................
    Blacklisting Hosts and Networks294................................................................................................................................................................
    Adding a Host to the Whitelist295................................................................................................................................................................
    Address Translation297................................................................................................................................................................
    NAT IP Address Translation298................................................................................................................................................................
    Adding a NAT Rule300................................................................................................................................................................
    Anonymizing with NAT301................................................................................................................................................................
    NAT Pools303................................................................................................................................................................
    Using NAT Pools304................................................................................................................................................................
    Translation of a Single IP Address (1:1)306................................................................................................................................................................
    Enabling Traffic to a Protected Web Server in a DMZ306................................................................................................................................................................
    Enabling Traffic to a Web Server on an Internal Network308................................................................................................................................................................
    Translation of Multiple IP Addresses (M:N)310................................................................................................................................................................
    Translating Traffic to Multiple Protected Web Servers310................................................................................................................................................................
    All-to-One Mappings (N:1)312................................................................................................................................................................
    Port Translation313................................................................................................................................................................
    Protocols Handled by SAT313................................................................................................................................................................
    Multiple SAT Rule Matches313................................................................................................................................................................
    SAT and FwdFast Rules314................................................................................................................................................................
    User Authentication317................................................................................................................................................................
    Authentication Setup319................................................................................................................................................................
    Setup Summary319................................................................................................................................................................
    The Local Database319................................................................................................................................................................
    External RADIUS Servers319................................................................................................................................................................
    External LDAP Servers320................................................................................................................................................................
    Normal LDAP Authentication325................................................................................................................................................................
    Authentication Rules326................................................................................................................................................................
    LDAP for PPP with CHAP, MS-CHAPv1 or MS-CHAPv2326................................................................................................................................................................
    Authentication Processing328................................................................................................................................................................
    HTTP Authentication328................................................................................................................................................................
    Creating an Authentication User Group331................................................................................................................................................................
    User Authentication Setup for Web Access331................................................................................................................................................................
    Configuring a RADIUS Server332................................................................................................................................................................
    Customizing HTML333................................................................................................................................................................
    VPN Usage337................................................................................................................................................................
    VPN Encryption338................................................................................................................................................................
    VPN Planning338................................................................................................................................................................
    Key Distribution339................................................................................................................................................................
    The TLS Alternative for VPN339................................................................................................................................................................
    VPN Quick Start341................................................................................................................................................................
    IPsec LAN to LAN with Pre-shared Keys342................................................................................................................................................................
    IPsec LAN to LAN with Certificates343................................................................................................................................................................
    IPsec Roaming Clients with Pre-shared Keys344................................................................................................................................................................
    IPsec Roaming Clients with Certificates346................................................................................................................................................................
    L2TP Roaming Clients with Pre-Shared Keys347................................................................................................................................................................
    L2TP Roaming Clients with Certificates348................................................................................................................................................................
    PPTP Roaming Clients349................................................................................................................................................................
    IPsec Components351................................................................................................................................................................
    Internet Key Exchange (IKE)351................................................................................................................................................................
    IKE Authentication357................................................................................................................................................................
    IPsec Protocols (ESP/AH)358................................................................................................................................................................
    The AH protocol358................................................................................................................................................................
    NAT Traversal359................................................................................................................................................................
    The ESP protocol359................................................................................................................................................................
    Algorithm Proposal Lists360................................................................................................................................................................
    Using an Algorithm Proposal List361................................................................................................................................................................
    Pre-shared Keys362................................................................................................................................................................
    Using a Pre-Shared key362................................................................................................................................................................
    Identification Lists363................................................................................................................................................................
    Using an Identity List363................................................................................................................................................................
    IPsec Tunnels365................................................................................................................................................................
    LAN to LAN Tunnels with Pre-shared Keys366................................................................................................................................................................
    Roaming Clients366................................................................................................................................................................
    Setting up a PSK based VPN tunnel for roaming clients367................................................................................................................................................................
    Setting up a Self-signed Certificate based VPN tunnel for roaming clients368................................................................................................................................................................
    Setting up CA Server Certificate based VPN tunnels for roaming clients369................................................................................................................................................................
    Fetching CRLs from an alternate LDAP server371................................................................................................................................................................
    Setting Up Config Mode371................................................................................................................................................................
    Using Config Mode with IPsec Tunnels371................................................................................................................................................................
    Setting up an LDAP server371................................................................................................................................................................
    Troubleshooting with ikesnoop372................................................................................................................................................................
    IPsec Advanced Settings379................................................................................................................................................................
    PPTP/L2TP383................................................................................................................................................................
    PPTP Servers383................................................................................................................................................................
    L2TP Servers384................................................................................................................................................................
    Setting up a PPTP server384................................................................................................................................................................
    Setting up an L2TP server385................................................................................................................................................................
    Setting up an L2TP Tunnel Over IPsec385................................................................................................................................................................
    L2TP/PPTP Server advanced settings388................................................................................................................................................................
    PPTP/L2TP Clients389................................................................................................................................................................
    PPTP Client Usage390................................................................................................................................................................
    CA Server Access392................................................................................................................................................................
    Certificate Validation Components393................................................................................................................................................................
    VPN Troubleshooting395................................................................................................................................................................
    General Troubleshooting395................................................................................................................................................................
    Troubleshooting Certificates395................................................................................................................................................................
    IPsec Troubleshooting Commands396................................................................................................................................................................
    Management Interface Failure with VPN397................................................................................................................................................................
    Specific Error Messages397................................................................................................................................................................
    Specific Symptoms399................................................................................................................................................................
    Traffic Management402................................................................................................................................................................
    Traffic Shaping402................................................................................................................................................................
    Traffic Shaping in NetDefendOS403................................................................................................................................................................
    Packet Flow of Pipe Rule Set to Pipe404................................................................................................................................................................
    Simple Bandwidth Limiting405................................................................................................................................................................
    FwdFast Rules Bypass Traffic Shaping405................................................................................................................................................................
    Applying a Simple Bandwidth Limit405................................................................................................................................................................
    Limiting Bandwidth in Both Directions406................................................................................................................................................................
    Creating Differentiated Limits with Chains407................................................................................................................................................................
    Precedences408................................................................................................................................................................
    The Eight Pipe Precedences408................................................................................................................................................................
    Minimum and Maximum Pipe Precedence409................................................................................................................................................................
    Guarantees410................................................................................................................................................................
    Differentiated Guarantees410................................................................................................................................................................
    Groups411................................................................................................................................................................
    Traffic grouped per IP address411................................................................................................................................................................
    Traffic Shaping Recommendations412................................................................................................................................................................
    A Summary of Traffic Shaping414................................................................................................................................................................
    More Pipe Examples414................................................................................................................................................................
    A Basic Traffic Shaping Scenario414................................................................................................................................................................
    IDP Traffic Shaping419................................................................................................................................................................
    Setup419................................................................................................................................................................
    Processing Flow420................................................................................................................................................................
    The Importance of Specifying a Network420................................................................................................................................................................
    A P2P Scenario421................................................................................................................................................................
    Viewing Traffic Shaping Objects421................................................................................................................................................................
    IDP Traffic Shaping P2P Scenario421................................................................................................................................................................
    Guaranteeing Instead of Limiting Bandwidth422................................................................................................................................................................
    Logging423................................................................................................................................................................
    Threshold Rules424................................................................................................................................................................
    Limiting the Connection Rate/Total Connections424................................................................................................................................................................
    Grouping424................................................................................................................................................................
    Rule Actions425................................................................................................................................................................
    Multiple Triggered Actions425................................................................................................................................................................
    Exempted Connections425................................................................................................................................................................
    Threshold Rules and ZoneDefense425................................................................................................................................................................
    Threshold Rule Blacklisting425................................................................................................................................................................
    Server Load Balancing426................................................................................................................................................................
    A Server Load Balancing Configuration426................................................................................................................................................................
    Identifying the Servers427................................................................................................................................................................
    The Load Distribution Mode427................................................................................................................................................................
    The Distribution Algorithm428................................................................................................................................................................
    Connections from Three Clients428................................................................................................................................................................
    Stickiness and Round-Robin429................................................................................................................................................................
    Stickiness and Connection Rate429................................................................................................................................................................
    Server Health Monitoring430................................................................................................................................................................
    SLB_SAT Rules430................................................................................................................................................................
    Setting up SLB431................................................................................................................................................................
    High Availability434................................................................................................................................................................
    HA Mechanisms436................................................................................................................................................................
    HA Setup439................................................................................................................................................................
    HA Hardware Setup439................................................................................................................................................................
    NetDefendOS Manual HA Setup440................................................................................................................................................................
    Verifying the Cluster Functions441................................................................................................................................................................
    Unique Shared Mac Addresses442................................................................................................................................................................
    HA Issues443................................................................................................................................................................
    HA Advanced Settings444................................................................................................................................................................
    ZoneDefense446................................................................................................................................................................
    ZoneDefense Switches447................................................................................................................................................................
    ZoneDefense Operation448................................................................................................................................................................
    SNMP448................................................................................................................................................................
    Manual Blocking and Exclude Lists448................................................................................................................................................................
    A simple ZoneDefense scenario449................................................................................................................................................................
    ZoneDefense with Anti-Virus Scanning450................................................................................................................................................................
    Limitations450................................................................................................................................................................
    Advanced Settings453................................................................................................................................................................
    IP Level Settings453................................................................................................................................................................
    TCP Level Settings457................................................................................................................................................................
    ICMP Level Settings462................................................................................................................................................................
    State Settings463................................................................................................................................................................
    Connection Timeout Settings465................................................................................................................................................................
    Length Limit Settings467................................................................................................................................................................
    Fragmentation Settings469................................................................................................................................................................
    Local Fragment Reassembly Settings473................................................................................................................................................................
    Miscellaneous Settings474................................................................................................................................................................
    A. Subscribing to Security Updates476................................................................................................................................................................
    B. IDP Signature Groups478................................................................................................................................................................
    C. Verified MIME filetypes482................................................................................................................................................................
    D. The OSI Framework486................................................................................................................................................................
    D.1. The 7 Layers of the OSI Model486................................................................................................................................................................
    E. D-Link Worldwide Offices487................................................................................................................................................................
    Alphabetical Index489................................................................................................................................................................
  • D-Link DFL-860 User Manual (469 pages)

    Network security firewall

    Table of contents
    Table Of Contents4................................................................................................................................................................
    Preface12................................................................................................................................................................
    Example Notation12................................................................................................................................................................
    NetDefendOS Overview14................................................................................................................................................................
    Features14................................................................................................................................................................
    NetDefendOS Architecture17................................................................................................................................................................
    State-based Architecture17................................................................................................................................................................
    NetDefendOS Building Blocks17................................................................................................................................................................
    Basic Packet Flow18................................................................................................................................................................
    NetDefendOS State Engine Packet Flow20................................................................................................................................................................
    Packet Flow Schematic Part I20................................................................................................................................................................
    Packet Flow Schematic Part II21................................................................................................................................................................
    Packet Flow Schematic Part III22................................................................................................................................................................
    Expanded Apply Rules Logic23................................................................................................................................................................
    Management and Maintenance25................................................................................................................................................................
    Managing NetDefendOS25................................................................................................................................................................
    Overview25................................................................................................................................................................
    The Default Administrator Account26................................................................................................................................................................
    The Web Interface26................................................................................................................................................................
    Enabling remote management via HTTPS29................................................................................................................................................................
    The CLI30................................................................................................................................................................
    Enabling SSH Remote Access34................................................................................................................................................................
    CLI Scripts36................................................................................................................................................................
    Secure Copy39................................................................................................................................................................
    The Console Boot Menu41................................................................................................................................................................
    Management Advanced Settings43................................................................................................................................................................
    Working with Configurations44................................................................................................................................................................
    Listing Configuration Objects44................................................................................................................................................................
    Displaying a Configuration Object45................................................................................................................................................................
    Editing a Configuration Object45................................................................................................................................................................
    Adding a Configuration Object46................................................................................................................................................................
    Deleting a Configuration Object47................................................................................................................................................................
    Undeleting a Configuration Object47................................................................................................................................................................
    Listing Modified Configuration Objects47................................................................................................................................................................
    Activating and Committing a Configuration48................................................................................................................................................................
    Events and Logging49................................................................................................................................................................
    Event Messages49................................................................................................................................................................
    Event Message Distribution49................................................................................................................................................................
    Enable Logging to a Syslog Host50................................................................................................................................................................
    Advanced Log Settings52................................................................................................................................................................
    Sending SNMP Traps to an SNMP Trap Receiver52................................................................................................................................................................
    RADIUS Accounting54................................................................................................................................................................
    RADIUS Accounting Messages54................................................................................................................................................................
    Interim Accounting Messages56................................................................................................................................................................
    Activating RADIUS Accounting56................................................................................................................................................................
    RADIUS Accounting Security56................................................................................................................................................................
    RADIUS Accounting and High Availability56................................................................................................................................................................
    Handling Unresponsive Servers57................................................................................................................................................................
    Accounting and System Shutdowns57................................................................................................................................................................
    Limitations with NAT57................................................................................................................................................................
    RADIUS Advanced Settings57................................................................................................................................................................
    RADIUS Accounting Server Setup58................................................................................................................................................................
    SNMP Monitoring59................................................................................................................................................................
    SNMP Advanced Settings60................................................................................................................................................................
    Enabling SNMP Monitoring60................................................................................................................................................................
    The pcapdump Command62................................................................................................................................................................
    Maintenance65................................................................................................................................................................
    Auto-Update Mechanism65................................................................................................................................................................
    Creating Backup Files65................................................................................................................................................................
    Configuration Backup and Restore66................................................................................................................................................................
    Backing up the Entire System66................................................................................................................................................................
    Restore to Factory Defaults67................................................................................................................................................................
    Complete Hardware Reset to Factory Defaults67................................................................................................................................................................
    Fundamentals70................................................................................................................................................................
    The Address Book70................................................................................................................................................................
    IP Addresses70................................................................................................................................................................
    Adding an IP Host71................................................................................................................................................................
    Adding an IP Network71................................................................................................................................................................
    Adding an IP Range71................................................................................................................................................................
    Ethernet Addresses72................................................................................................................................................................
    Deleting an Address Object72................................................................................................................................................................
    Adding an Ethernet Address72................................................................................................................................................................
    Address Groups73................................................................................................................................................................
    Auto-Generated Address Objects73................................................................................................................................................................
    Address Book Folders74................................................................................................................................................................
    Services75................................................................................................................................................................
    Listing the Available Services75................................................................................................................................................................
    Viewing a Specific Service75................................................................................................................................................................
    TCP and UDP Based Services76................................................................................................................................................................
    Adding a TCP/UDP Service77................................................................................................................................................................
    ICMP Services78................................................................................................................................................................
    Custom IP Protocol Services79................................................................................................................................................................
    Adding an IP Protocol Service79................................................................................................................................................................
    Interfaces80................................................................................................................................................................
    Ethernet Interfaces81................................................................................................................................................................
    Enabling DHCP83................................................................................................................................................................
    VLAN85................................................................................................................................................................
    Defining a VLAN86................................................................................................................................................................
    PPPoE87................................................................................................................................................................
    GRE Tunnels89................................................................................................................................................................
    Configuring a PPPoE client89................................................................................................................................................................
    Interface Groups92................................................................................................................................................................
    Creating an Interface Group92................................................................................................................................................................
    ARP in NetDefendOS94................................................................................................................................................................
    ARP Cache94................................................................................................................................................................
    Displaying the ARP Cache95................................................................................................................................................................
    Flushing the ARP Cache95................................................................................................................................................................
    Static and Published ARP Entries96................................................................................................................................................................
    Defining a Static ARP Entry96................................................................................................................................................................
    Using ARP Advanced Settings97................................................................................................................................................................
    ARP Advanced Settings Summary98................................................................................................................................................................
    The IP Rule Set101................................................................................................................................................................
    Security Policies101................................................................................................................................................................
    Simplified NetDefendOS Traffic Flow102................................................................................................................................................................
    IP Rule Evaluation103................................................................................................................................................................
    IP Rule Actions104................................................................................................................................................................
    Editing IP rule set Entries105................................................................................................................................................................
    IP Rule Set Folders105................................................................................................................................................................
    Adding an Allow IP Rule105................................................................................................................................................................
    Schedules107................................................................................................................................................................
    Setting up a Time-Scheduled Policy107................................................................................................................................................................
    Certificates109................................................................................................................................................................
    Certificates in NetDefendOS111................................................................................................................................................................
    CA Certificate Requests111................................................................................................................................................................
    Uploading a Certificate111................................................................................................................................................................
    Associating Certificates with IPsec Tunnels111................................................................................................................................................................
    Date and Time113................................................................................................................................................................
    Setting Date and Time113................................................................................................................................................................
    Setting the Current Date and Time113................................................................................................................................................................
    Time Servers114................................................................................................................................................................
    Setting the Time Zone114................................................................................................................................................................
    Enabling DST114................................................................................................................................................................
    Enabling Time Synchronization using SNTP115................................................................................................................................................................
    Manually Triggering a Time Synchronization116................................................................................................................................................................
    Modifying the Maximum Adjustment Value116................................................................................................................................................................
    Forcing Time Synchronization116................................................................................................................................................................
    Settings Summary for Date and Time117................................................................................................................................................................
    Enabling the D-Link NTP Server117................................................................................................................................................................
    Configuring DNS Servers119................................................................................................................................................................
    Routing122................................................................................................................................................................
    Static Routing123................................................................................................................................................................
    The Principles of Routing123................................................................................................................................................................
    Using Local IP Address with an Unbound Network126................................................................................................................................................................
    Displaying the Routing Table128................................................................................................................................................................
    Route Failover130................................................................................................................................................................
    Displaying the Core Routes130................................................................................................................................................................
    A Route Failover Scenario for ISP Access131................................................................................................................................................................
    Host Monitoring for Route Failover133................................................................................................................................................................
    Proxy ARP135................................................................................................................................................................
    Policy-based Routing137................................................................................................................................................................
    Policy-based Routing Tables137................................................................................................................................................................
    Policy-based Routing Rules137................................................................................................................................................................
    PBR Table Selection138................................................................................................................................................................
    The Ordering parameter138................................................................................................................................................................
    Creating a Policy-based Routing Table139................................................................................................................................................................
    Creating the Route139................................................................................................................................................................
    Policy-based Routing Configuration139................................................................................................................................................................
    Route Load Balancing141................................................................................................................................................................
    The RLB Round Robin Algorithm142................................................................................................................................................................
    The RLB Spillover Algorithm142................................................................................................................................................................
    A Route Load Balancing Scenario145................................................................................................................................................................
    Setting Up RLB145................................................................................................................................................................
    Dynamic Routing147................................................................................................................................................................
    Dynamic Routing overview147................................................................................................................................................................
    OSPF148................................................................................................................................................................
    Virtual Links Example 1150................................................................................................................................................................
    Virtual Links Example 2151................................................................................................................................................................
    Dynamic Routing Policy152................................................................................................................................................................
    Importing Routes from an OSPF AS into the Main Routing Table152................................................................................................................................................................
    Exporting the Default Route into an OSPF AS153................................................................................................................................................................
    Multicast Routing155................................................................................................................................................................
    Multicast Forwarding using the SAT Multiplex Rule155................................................................................................................................................................
    Multicast Forwarding - No Address Translation156................................................................................................................................................................
    Forwarding of Multicast Traffic using the SAT Multiplex Rule157................................................................................................................................................................
    Multicast Forwarding - Address Translation158................................................................................................................................................................
    IGMP Configuration159................................................................................................................................................................
    Multicast Snoop160................................................................................................................................................................
    Multicast Proxy160................................................................................................................................................................
    IGMP - No Address Translation161................................................................................................................................................................
    if1 Configuration162................................................................................................................................................................
    if2 Configuration - Group Translation163................................................................................................................................................................
    Advanced IGMP Settings164................................................................................................................................................................
    Transparent Mode167................................................................................................................................................................
    Enabling Internet Access171................................................................................................................................................................
    Non-transparent Mode Internet Access171................................................................................................................................................................
    Transparent Mode Internet Access172................................................................................................................................................................
    Transparent Mode Scenarios173................................................................................................................................................................
    Transparent Mode Scenario 1173................................................................................................................................................................
    Setting up Transparent Mode for Scenario 1173................................................................................................................................................................
    Transparent Mode Scenario 2174................................................................................................................................................................
    Setting up Transparent Mode for Scenario 2175................................................................................................................................................................
    Spanning Tree BPDU Support177................................................................................................................................................................
    Advanced Settings for Transparent Mode177................................................................................................................................................................
    An Example BPDU Relaying Scenario177................................................................................................................................................................
    DHCP Services182................................................................................................................................................................
    DHCP Servers183................................................................................................................................................................
    Setting up a DHCP server184................................................................................................................................................................
    Checking the status of a DHCP server184................................................................................................................................................................
    Static DHCP Assignment185................................................................................................................................................................
    DHCP Advanced Settings185................................................................................................................................................................
    Setting up Static DHCP185................................................................................................................................................................
    DHCP Relaying187................................................................................................................................................................
    Setting up a DHCP Relayer187................................................................................................................................................................
    DHCP Relay Advanced Settings188................................................................................................................................................................
    IP Pools190................................................................................................................................................................
    Creating an IP Pool191................................................................................................................................................................
    Security Mechanisms193................................................................................................................................................................
    Access Rules193................................................................................................................................................................
    Introduction193................................................................................................................................................................
    IP spoofing193................................................................................................................................................................
    Access Rule Settings194................................................................................................................................................................
    Setting up an Access Rule195................................................................................................................................................................
    ALGs196................................................................................................................................................................
    Deploying an ALG196................................................................................................................................................................
    The HTTP ALG197................................................................................................................................................................
    HTTP ALG Processing Order199................................................................................................................................................................
    The FTP ALG200................................................................................................................................................................
    Protecting an FTP Server with an ALG202................................................................................................................................................................
    Protecting FTP Clients205................................................................................................................................................................
    The TFTP ALG206................................................................................................................................................................
    The SMTP ALG207................................................................................................................................................................
    SMTP ALG Processing Order209................................................................................................................................................................
    DNSBL SPAM Filtering211................................................................................................................................................................
    The POP3 ALG216................................................................................................................................................................
    The SIP ALG216................................................................................................................................................................
    The H.323 ALG226................................................................................................................................................................
    Protecting Phones Behind D-Link Firewalls228................................................................................................................................................................
    H.323 with private IP addresses230................................................................................................................................................................
    Two Phones Behind Different D-Link Firewalls231................................................................................................................................................................
    Using Private IP Addresses232................................................................................................................................................................
    H.323 with Gatekeeper233................................................................................................................................................................
    H.323 with Gatekeeper and two D-Link Firewalls235................................................................................................................................................................
    Using the H.323 ALG in a Corporate Environment236................................................................................................................................................................
    Configuring remote offices for H.323238................................................................................................................................................................
    Allowing the H.323 Gateway to register with the Gatekeeper238................................................................................................................................................................
    The TLS ALG239................................................................................................................................................................
    TLS Termination239................................................................................................................................................................
    Web Content Filtering242................................................................................................................................................................
    Active Content Handling242................................................................................................................................................................
    Static Content Filtering243................................................................................................................................................................
    Stripping ActiveX and Java applets243................................................................................................................................................................
    Setting up a white and blacklist244................................................................................................................................................................
    Dynamic Web Content Filtering245................................................................................................................................................................
    Dynamic Content Filtering Flow245................................................................................................................................................................
    Enabling Dynamic Web Content Filtering247................................................................................................................................................................
    Enabling Audit Mode248................................................................................................................................................................
    Reclassifying a blocked site250................................................................................................................................................................
    Editing Content Filtering HTTP Banner Files257................................................................................................................................................................
    Anti-Virus Scanning259................................................................................................................................................................
    Implementation259................................................................................................................................................................
    Activating Anti-Virus Scanning260................................................................................................................................................................
    The Signature Database260................................................................................................................................................................
    Subscribing to the D-Link Anti-Virus Service261................................................................................................................................................................
    Anti-Virus Options261................................................................................................................................................................
    Intrusion Detection and Prevention265................................................................................................................................................................
    IDP Availability in D-Link Models265................................................................................................................................................................
    IDP Database Updating266................................................................................................................................................................
    IDP Rules267................................................................................................................................................................
    Insertion/Evasion Attack Prevention268................................................................................................................................................................
    IDP Pattern Matching269................................................................................................................................................................
    IDP Signature Groups270................................................................................................................................................................
    IDP Actions271................................................................................................................................................................
    SMTP Log Receiver for IDP Events272................................................................................................................................................................
    Configuring an SMTP Log Receiver272................................................................................................................................................................
    Setting up IDP for a Mail Server273................................................................................................................................................................
    Denial-of-Service Attack Prevention276................................................................................................................................................................
    DoS Attack Mechanisms276................................................................................................................................................................
    Ping of Death and Jolt Attacks276................................................................................................................................................................
    Fragmentation overlap attacks: Teardrop, Bonk, Boink and Nestea277................................................................................................................................................................
    The Land and LaTierra attacks277................................................................................................................................................................
    The WinNuke attack277................................................................................................................................................................
    Amplification attacks: Smurf, Papasmurf, Fraggle278................................................................................................................................................................
    TCP SYN Flood Attacks279................................................................................................................................................................
    The Jolt2 Attack279................................................................................................................................................................
    Distributed DoS Attacks279................................................................................................................................................................
    Blacklisting Hosts and Networks280................................................................................................................................................................
    Adding a Host to the Whitelist281................................................................................................................................................................
    Address Translation283................................................................................................................................................................
    NAT IP Address Translation284................................................................................................................................................................
    Adding a NAT Rule285................................................................................................................................................................
    Anonymizing with NAT287................................................................................................................................................................
    NAT Pools288................................................................................................................................................................
    Using NAT Pools289................................................................................................................................................................
    Translation of a Single IP Address (1:1)291................................................................................................................................................................
    Enabling Traffic to a Protected Web Server in a DMZ291................................................................................................................................................................
    Enabling Traffic to a Web Server on an Internal Network293................................................................................................................................................................
    Translation of Multiple IP Addresses (M:N)294................................................................................................................................................................
    Translating Traffic to Multiple Protected Web Servers295................................................................................................................................................................
    All-to-One Mappings (N:1)297................................................................................................................................................................
    Port Translation297................................................................................................................................................................
    Protocols handled by SAT297................................................................................................................................................................
    Multiple SAT rule matches298................................................................................................................................................................
    SAT and FwdFast Rules298................................................................................................................................................................
    User Authentication302................................................................................................................................................................
    Authentication Setup304................................................................................................................................................................
    Setup Summary304................................................................................................................................................................
    The Local Database304................................................................................................................................................................
    External RADIUS Servers304................................................................................................................................................................
    External LDAP Servers305................................................................................................................................................................
    Normal LDAP Authentication308................................................................................................................................................................
    Authentication Rules309................................................................................................................................................................
    LDAP for PPP with CHAP, MS-CHAPv1 or MS-CHAPv2309................................................................................................................................................................
    Authentication Processing310................................................................................................................................................................
    HTTP Authentication311................................................................................................................................................................
    Creating an Authentication User Group313................................................................................................................................................................
    User Authentication Setup for Web Access313................................................................................................................................................................
    Configuring a RADIUS Server314................................................................................................................................................................
    Customizing HTML315................................................................................................................................................................
    VPN Usage319................................................................................................................................................................
    VPN Encryption320................................................................................................................................................................
    VPN Planning320................................................................................................................................................................
    Key Distribution321................................................................................................................................................................
    The TLS Alternative for VPN321................................................................................................................................................................
    VPN Quick Start323................................................................................................................................................................
    IPsec LAN to LAN with Pre-shared Keys323................................................................................................................................................................
    IPsec LAN to LAN with Certificates324................................................................................................................................................................
    IPsec Roaming Clients with Pre-shared Keys325................................................................................................................................................................
    IPsec Roaming Clients with Certificates327................................................................................................................................................................
    L2TP Roaming Clients with Pre-Shared Keys328................................................................................................................................................................
    L2TP Roaming Clients with Certificates329................................................................................................................................................................
    PPTP Roaming Clients330................................................................................................................................................................
    IPsec Components332................................................................................................................................................................
    Internet Key Exchange (IKE)332................................................................................................................................................................
    IKE Authentication338................................................................................................................................................................
    IPsec Protocols (ESP/AH)339................................................................................................................................................................
    The AH protocol339................................................................................................................................................................
    NAT Traversal340................................................................................................................................................................
    The ESP protocol340................................................................................................................................................................
    Algorithm Proposal Lists341................................................................................................................................................................
    Pre-shared Keys342................................................................................................................................................................
    Using an Algorithm Proposal List342................................................................................................................................................................
    Using a Pre-Shared key343................................................................................................................................................................
    Identification Lists344................................................................................................................................................................
    Using an Identity List344................................................................................................................................................................
    IPsec Tunnels346................................................................................................................................................................
    LAN to LAN Tunnels with Pre-shared Keys346................................................................................................................................................................
    Roaming Clients347................................................................................................................................................................
    Setting up a PSK based VPN tunnel for roaming clients347................................................................................................................................................................
    Setting up a Self-signed Certificate based VPN tunnel for roaming clients348................................................................................................................................................................
    Setting up a CA Server issued Certificate based VPN tunnel for roaming clients349................................................................................................................................................................
    Setting Up Config Mode351................................................................................................................................................................
    Using Config Mode with IPsec Tunnels351................................................................................................................................................................
    Fetching CRLs from an alternate LDAP server352................................................................................................................................................................
    Troubleshooting with ikesnoop352................................................................................................................................................................
    Setting up an LDAP server352................................................................................................................................................................
    IPsec Advanced Settings360................................................................................................................................................................
    PPTP/L2TP363................................................................................................................................................................
    PPTP Servers363................................................................................................................................................................
    L2TP Servers364................................................................................................................................................................
    Setting up a PPTP server364................................................................................................................................................................
    Setting up an L2TP server364................................................................................................................................................................
    Setting up an L2TP Tunnel Over IPsec365................................................................................................................................................................
    L2TP/PPTP Server advanced settings368................................................................................................................................................................
    PPTP/L2TP Clients369................................................................................................................................................................
    PPTP Client Usage370................................................................................................................................................................
    CA Server Access371................................................................................................................................................................
    Certificate Validation Components372................................................................................................................................................................
    VPN Troubleshooting374................................................................................................................................................................
    Traffic Management378................................................................................................................................................................
    Traffic Shaping378................................................................................................................................................................
    Traffic Shaping in NetDefendOS379................................................................................................................................................................
    Packet Flow of Pipe Rule Set to Pipe380................................................................................................................................................................
    FwdFast Rules Bypass Traffic Shaping380................................................................................................................................................................
    Simple Bandwidth Limiting381................................................................................................................................................................
    Applying a Simple Bandwidth Limit381................................................................................................................................................................
    Limiting Bandwidth in Both Directions382................................................................................................................................................................
    Creating Differentiated Limits with Chains383................................................................................................................................................................
    Precedences383................................................................................................................................................................
    The Eight Pipe Precedences384................................................................................................................................................................
    Guarantees385................................................................................................................................................................
    Minimum and Maximum Pipe Precedence385................................................................................................................................................................
    Differentiated Guarantees386................................................................................................................................................................
    Groups387................................................................................................................................................................
    Traffic grouped per IP address387................................................................................................................................................................
    Recommendations388................................................................................................................................................................
    A Summary of Traffic Shaping389................................................................................................................................................................
    More Pipe Examples390................................................................................................................................................................
    A Basic Traffic Shaping Scenario390................................................................................................................................................................
    IDP Traffic Shaping394................................................................................................................................................................
    Setup394................................................................................................................................................................
    Processing Flow395................................................................................................................................................................
    The Importance of Specifying a Network395................................................................................................................................................................
    A P2P Scenario396................................................................................................................................................................
    Viewing Traffic Shaping Objects396................................................................................................................................................................
    IDP Traffic Shaping P2P Scenario396................................................................................................................................................................
    Guaranteeing Instead of Limiting Bandwidth397................................................................................................................................................................
    Logging398................................................................................................................................................................
    Threshold Rules399................................................................................................................................................................
    Limiting the Connection Rate/Total Connections399................................................................................................................................................................
    Grouping399................................................................................................................................................................
    Rule Actions399................................................................................................................................................................
    Multiple Triggered Actions400................................................................................................................................................................
    Exempted Connections400................................................................................................................................................................
    Threshold Rules and ZoneDefense400................................................................................................................................................................
    Threshold Rule Blacklisting400................................................................................................................................................................
    Server Load Balancing401................................................................................................................................................................
    A Server Load Balancing Configuration401................................................................................................................................................................
    Identifying the Servers402................................................................................................................................................................
    The Load Distribution Mode402................................................................................................................................................................
    The Distribution Algorithm403................................................................................................................................................................
    Connections from Three Clients403................................................................................................................................................................
    Stickiness and Round-Robin404................................................................................................................................................................
    Stickiness and Connection Rate404................................................................................................................................................................
    Server Health Monitoring405................................................................................................................................................................
    SLB_SAT Rules405................................................................................................................................................................
    Setting up SLB406................................................................................................................................................................
    High Availability409................................................................................................................................................................
    HA Mechanisms411................................................................................................................................................................
    HA Setup413................................................................................................................................................................
    Hardware Setup413................................................................................................................................................................
    High Availability Setup413................................................................................................................................................................
    NetDefendOS Manual HA Setup414................................................................................................................................................................
    Verifying the Cluster is Functioning415................................................................................................................................................................
    Using Unique Shared Mac Addresses416................................................................................................................................................................
    HA Issues417................................................................................................................................................................
    HA Advanced Settings418................................................................................................................................................................
    ZoneDefense420................................................................................................................................................................
    ZoneDefense Switches421................................................................................................................................................................
    ZoneDefense Operation422................................................................................................................................................................
    SNMP422................................................................................................................................................................
    Manual Blocking and Exclude Lists422................................................................................................................................................................
    A simple ZoneDefense scenario423................................................................................................................................................................
    ZoneDefense with Anti-Virus Scanning424................................................................................................................................................................
    Limitations424................................................................................................................................................................
    Advanced Settings427................................................................................................................................................................
    IP Level Settings427................................................................................................................................................................
    TCP Level Settings431................................................................................................................................................................
    ICMP Level Settings436................................................................................................................................................................
    State Settings437................................................................................................................................................................
    Connection Timeout Settings439................................................................................................................................................................
    Length Limit Settings441................................................................................................................................................................
    Fragmentation Settings443................................................................................................................................................................
    Local Fragment Reassembly Settings447................................................................................................................................................................
    Miscellaneous Settings448................................................................................................................................................................
    A. Subscribing to Security Updates450................................................................................................................................................................
    B. IDP Signature Groups452................................................................................................................................................................
    C. Verified MIME filetypes456................................................................................................................................................................
    D. The OSI Framework460................................................................................................................................................................
    D.1. The 7 Layers of the OSI Model460................................................................................................................................................................
    E. D-Link Worldwide Offices461................................................................................................................................................................
    Alphabetical Index463................................................................................................................................................................
  • D-Link DFL-860 User Manual (355 pages)

    Network security firewall

    Table of contents
    Table Of Contents4................................................................................................................................................................
    Preface12................................................................................................................................................................
    Example Notation12................................................................................................................................................................
    Product Overview14................................................................................................................................................................
    About D-Link NetDefendOS14................................................................................................................................................................
    NetDefendOS Architecture16................................................................................................................................................................
    State-based Architecture16................................................................................................................................................................
    NetDefendOS Building Blocks16................................................................................................................................................................
    Basic Packet Flow17................................................................................................................................................................
    NetDefendOS State Engine Packet Flow19................................................................................................................................................................
    Packet Flow Schematic Part I19................................................................................................................................................................
    Packet Flow Schematic Part II20................................................................................................................................................................
    Packet Flow Schematic Part III20................................................................................................................................................................
    Management and Maintenance23................................................................................................................................................................
    Managing NetDefendOS23................................................................................................................................................................
    Overview23................................................................................................................................................................
    Default Administrator Accounts23................................................................................................................................................................
    The CLI24................................................................................................................................................................
    Enabling SSH Remote Access25................................................................................................................................................................
    The WebUI26................................................................................................................................................................
    Enabling remote management via HTTPS28................................................................................................................................................................
    Working with Configurations29................................................................................................................................................................
    Listing Configuration Objects29................................................................................................................................................................
    Displaying a Configuration Object30................................................................................................................................................................
    Editing a Configuration Object31................................................................................................................................................................
    Adding a Configuration Object31................................................................................................................................................................
    Deleting a Configuration Object32................................................................................................................................................................
    Undeleting a Configuration Object32................................................................................................................................................................
    Listing Modified Configuration Objects32................................................................................................................................................................
    Activating and Committing a Configuration33................................................................................................................................................................
    Events and Logging35................................................................................................................................................................
    Event Messages35................................................................................................................................................................
    Event Message Distribution35................................................................................................................................................................
    Enable Logging to a Syslog Host36................................................................................................................................................................
    Sending SNMP Traps to an SNMP Trap Receiver37................................................................................................................................................................
    RADIUS Accounting39................................................................................................................................................................
    RADIUS Accounting Messages39................................................................................................................................................................
    Interim Accounting Messages41................................................................................................................................................................
    Activating RADIUS Accounting41................................................................................................................................................................
    RADIUS Accounting Security41................................................................................................................................................................
    RADIUS Accounting and High Availability41................................................................................................................................................................
    Handling Unresponsive Servers42................................................................................................................................................................
    Accounting and System Shutdowns42................................................................................................................................................................
    Limitations with NAT42................................................................................................................................................................
    Monitoring43................................................................................................................................................................
    SNMP Monitoring43................................................................................................................................................................
    Enabling SNMP Monitoring44................................................................................................................................................................
    Maintenance45................................................................................................................................................................
    Auto-Update Mechanism45................................................................................................................................................................
    Configuration Backup and Restore45................................................................................................................................................................
    Resetting to Factory Defaults45................................................................................................................................................................
    Complete Hardware Reset to Factory Defaults46................................................................................................................................................................
    Fundamentals48................................................................................................................................................................
    The Address Book48................................................................................................................................................................
    IP Addresses48................................................................................................................................................................
    Adding an IP Host49................................................................................................................................................................
    Adding an IP Network49................................................................................................................................................................
    Adding an IP Range49................................................................................................................................................................
    Ethernet Addresses50................................................................................................................................................................
    Deleting an Address Object50................................................................................................................................................................
    Adding an Ethernet Address50................................................................................................................................................................
    Address Groups51................................................................................................................................................................
    Auto-Generated Address Objects51................................................................................................................................................................
    Services52................................................................................................................................................................
    Listing the Available Services52................................................................................................................................................................
    Viewing a Specific Service52................................................................................................................................................................
    TCP and UDP Based Services53................................................................................................................................................................
    Adding a TCP/UDP Service54................................................................................................................................................................
    ICMP Services55................................................................................................................................................................
    Custom IP Protocol Services55................................................................................................................................................................
    Adding an IP Protocol Service56................................................................................................................................................................
    Interfaces57................................................................................................................................................................
    Ethernet58................................................................................................................................................................
    Enabling DHCP59................................................................................................................................................................
    VLAN60................................................................................................................................................................
    PPPoE61................................................................................................................................................................
    Defining a VLAN61................................................................................................................................................................
    Configuring a PPPoE client on the wan interface with traffic routed over PPPoE62................................................................................................................................................................
    GRE Tunnels63................................................................................................................................................................
    An Example GRE Scenario64................................................................................................................................................................
    Interface Groups66................................................................................................................................................................
    Creating an Interface Group66................................................................................................................................................................
    ARP in NetDefendOS68................................................................................................................................................................
    ARP Cache68................................................................................................................................................................
    Static and Published ARP Entries69................................................................................................................................................................
    Displaying the ARP Cache69................................................................................................................................................................
    Flushing the ARP Cache69................................................................................................................................................................
    Defining a Static ARP Entry70................................................................................................................................................................
    Advanced ARP Settings71................................................................................................................................................................
    The IP Rule Set73................................................................................................................................................................
    Security Policies73................................................................................................................................................................
    IP Rule Evaluation74................................................................................................................................................................
    IP Rule Actions75................................................................................................................................................................
    Editing IP rule set Entries76................................................................................................................................................................
    Schedules77................................................................................................................................................................
    Setting up a Time-Scheduled Policy77................................................................................................................................................................
    X.509 Certificates79................................................................................................................................................................
    X.509 Certificates in NetDefendOS80................................................................................................................................................................
    Uploading an X.509 Certificate80................................................................................................................................................................
    Associating X.509 Certificates with IPsec Tunnels81................................................................................................................................................................
    Setting Date and Time82................................................................................................................................................................
    General Date and Time Settings82................................................................................................................................................................
    Setting the Current Date and Time82................................................................................................................................................................
    Time Servers83................................................................................................................................................................
    Setting the Time Zone83................................................................................................................................................................
    Enabling DST83................................................................................................................................................................
    Enabling Time Synchronization using SNTP84................................................................................................................................................................
    Manually Triggering a Time Synchronization84................................................................................................................................................................
    Modifying the Maximum Adjustment Value85................................................................................................................................................................
    Forcing Time Synchronization85................................................................................................................................................................
    Enabling the D-Link NTP Server86................................................................................................................................................................
    DNS Lookup87................................................................................................................................................................
    Configuring DNS Servers87................................................................................................................................................................
    Routing89................................................................................................................................................................
    Static Routing90................................................................................................................................................................
    Basic Principles of Routing90................................................................................................................................................................
    Displaying the Routing Table92................................................................................................................................................................
    Displaying the Core Routes93................................................................................................................................................................
    Route Failover94................................................................................................................................................................
    A Route Failover Scenario for ISP Access94................................................................................................................................................................
    Proxy ARP96................................................................................................................................................................
    Policy-based Routing98................................................................................................................................................................
    Policy-based Routing Tables98................................................................................................................................................................
    Policy-based Routing Rules98................................................................................................................................................................
    Policy-based Routing Table Selection99................................................................................................................................................................
    The Ordering parameter99................................................................................................................................................................
    Creating a Policy-Based Routing table100................................................................................................................................................................
    Creating the Route100................................................................................................................................................................
    Policy Based Routing Configuration101................................................................................................................................................................
    Dynamic Routing103................................................................................................................................................................
    Dynamic Routing overview103................................................................................................................................................................
    OSPF104................................................................................................................................................................
    Virtual Links Example 1106................................................................................................................................................................
    Dynamic Routing Policy107................................................................................................................................................................
    Virtual Links Example 2107................................................................................................................................................................
    Importing Routes from an OSPF AS into the Main Routing Table108................................................................................................................................................................
    Exporting the Default Route into an OSPF AS109................................................................................................................................................................
    Multicast Routing110................................................................................................................................................................
    Multicast Forwarding using the SAT Multiplex Rule110................................................................................................................................................................
    Multicast Forwarding - No Address Translation111................................................................................................................................................................
    Multicast Forwarding - Address Translation112................................................................................................................................................................
    Forwarding of Multicast Traffic using the SAT Multiplex Rule112................................................................................................................................................................
    IGMP Configuration114................................................................................................................................................................
    Multicast Snoop114................................................................................................................................................................
    Multicast Proxy115................................................................................................................................................................
    IGMP - No Address Translation115................................................................................................................................................................
    Configuration if1116................................................................................................................................................................
    Configuration if2 - Group Translation117................................................................................................................................................................
    Transparent Mode119................................................................................................................................................................
    Overview of Transparent Mode119................................................................................................................................................................
    Comparison with Routing mode119................................................................................................................................................................
    Transparent Mode Implementation119................................................................................................................................................................
    Enabling Transparent Mode120................................................................................................................................................................
    High Availability with Transparent Mode120................................................................................................................................................................
    Transparent Mode Scenarios120................................................................................................................................................................
    Transparent mode scenario 1121................................................................................................................................................................
    Setting up Transparent Mode - Scenario 1121................................................................................................................................................................
    Transparent mode scenario 2122................................................................................................................................................................
    Setting up Transparent Mode - Scenario 2122................................................................................................................................................................
    DHCP Services127................................................................................................................................................................
    DHCP Servers128................................................................................................................................................................
    Setting up a DHCP server128................................................................................................................................................................
    Checking the status of a DHCP server129................................................................................................................................................................
    Static DHCP Assignment130................................................................................................................................................................
    Setting up Static DHCP130................................................................................................................................................................
    DHCP Relaying131................................................................................................................................................................
    Setting up a DHCP relayer131................................................................................................................................................................
    IP Pools132................................................................................................................................................................
    Creating an IP Pool133................................................................................................................................................................
    Security Mechanisms135................................................................................................................................................................
    Access Rules135................................................................................................................................................................
    Introduction135................................................................................................................................................................
    IP spoofing135................................................................................................................................................................
    Access Rule Settings136................................................................................................................................................................
    Setting up an Access Rule137................................................................................................................................................................
    Application Layer Gateways138................................................................................................................................................................
    HTTP139................................................................................................................................................................
    Protecting an FTP Server with an ALG141................................................................................................................................................................
    Protecting FTP Clients144................................................................................................................................................................
    TFTP145................................................................................................................................................................
    SMTP146................................................................................................................................................................
    DNSBL SPAM Filtering147................................................................................................................................................................
    POP3151................................................................................................................................................................
    H.323155................................................................................................................................................................
    Protecting Phones Behind D-Link Firewalls157................................................................................................................................................................
    H.323 with private IP addresses159................................................................................................................................................................
    Two Phones Behind Different D-Link Firewalls160................................................................................................................................................................
    Using Private IP Addresses161................................................................................................................................................................
    H.323 with Gatekeeper162................................................................................................................................................................
    H.323 with Gatekeeper and two D-Link Firewalls164................................................................................................................................................................
    Using the H.323 ALG in a Corporate Environment165................................................................................................................................................................
    Configuring remote offices for H.323167................................................................................................................................................................
    Allowing the H.323 Gateway to register with the Gatekeeper167................................................................................................................................................................
    Web Content Filtering169................................................................................................................................................................
    Active Content Handling169................................................................................................................................................................
    Static Content Filtering170................................................................................................................................................................
    Stripping ActiveX and Java applets170................................................................................................................................................................
    Setting up a white and blacklist171................................................................................................................................................................
    Dynamic Web Content Filtering172................................................................................................................................................................
    Dynamic Content Filtering Flow172................................................................................................................................................................
    Enabling Dynamic Web Content Filtering173................................................................................................................................................................
    Enabling Audit Mode174................................................................................................................................................................
    Reclassifying a blocked site176................................................................................................................................................................
    Anti-Virus Scanning183................................................................................................................................................................
    Implementation183................................................................................................................................................................
    Activating Anti-Virus Scanning184................................................................................................................................................................
    The Signature Database184................................................................................................................................................................
    Subscribing to the D-Link Anti-Virus Service184................................................................................................................................................................
    Anti-Virus Options184................................................................................................................................................................
    Intrusion Detection and Prevention188................................................................................................................................................................
    IDP Availability in D-Link Models188................................................................................................................................................................
    IDP Database Updating189................................................................................................................................................................
    IDP Rules190................................................................................................................................................................
    Insertion/Evasion Attack Prevention191................................................................................................................................................................
    IDP Pattern Matching192................................................................................................................................................................
    IDP Signature Groups192................................................................................................................................................................
    IDP Actions194................................................................................................................................................................
    SMTP Log Receiver for IDP Events194................................................................................................................................................................
    Configuring an SMTP Log Receiver194................................................................................................................................................................
    Setting up IDP for a Mail Server195................................................................................................................................................................
    Denial-Of-Service (DoS) Attacks198................................................................................................................................................................
    DoS Attack Mechanisms198................................................................................................................................................................
    Ping of Death and Jolt Attacks198................................................................................................................................................................
    Fragmentation overlap attacks: Teardrop, Bonk, Boink and Nestea199................................................................................................................................................................
    The Land and LaTierra attacks199................................................................................................................................................................
    The WinNuke attack199................................................................................................................................................................
    Amplification attacks: Smurf, Papasmurf, Fraggle200................................................................................................................................................................
    TCP SYN Flood Attacks201................................................................................................................................................................
    The Jolt2 Attack201................................................................................................................................................................
    Distributed DoS Attacks201................................................................................................................................................................
    Blacklisting Hosts and Networks202................................................................................................................................................................
    Address Translation204................................................................................................................................................................
    Dynamic Network Address Translation204................................................................................................................................................................
    Adding a NAT rule205................................................................................................................................................................
    NAT Pools207................................................................................................................................................................
    Using NAT Pools208................................................................................................................................................................
    Static Address Translation210................................................................................................................................................................
    Translation of a Single IP Address (1:1)210................................................................................................................................................................
    Enabling Traffic to a Protected Web Server in a DMZ210................................................................................................................................................................
    Enabling Traffic to a Web Server on an Internal Network212................................................................................................................................................................
    Translation of Multiple IP Addresses (M:N)213................................................................................................................................................................
    Translating Traffic to Multiple Protected Web Servers214................................................................................................................................................................
    All-to-One Mappings (N:1)215................................................................................................................................................................
    Port Translation216................................................................................................................................................................
    Protocols handled by SAT216................................................................................................................................................................
    Multiple SAT rule matches217................................................................................................................................................................
    SAT and FwdFast Rules217................................................................................................................................................................
    User Authentication220................................................................................................................................................................
    Authentication Setup221................................................................................................................................................................
    Setup Summary221................................................................................................................................................................
    The Local Database221................................................................................................................................................................
    External Authentication Servers221................................................................................................................................................................
    Authentication Rules222................................................................................................................................................................
    Authentication Processing223................................................................................................................................................................
    HTTP Authentication223................................................................................................................................................................
    Creating an authentication user group226................................................................................................................................................................
    User Authentication Setup for Web Access226................................................................................................................................................................
    Configuring a RADIUS server227................................................................................................................................................................
    The Need for VPNs229................................................................................................................................................................
    VPN Encryption229................................................................................................................................................................
    VPN Planning229................................................................................................................................................................
    Key Distribution230................................................................................................................................................................
    VPN Quickstart Guide231................................................................................................................................................................
    IPsec LAN to LAN with Pre-shared Keys231................................................................................................................................................................
    IPsec Roaming Clients with Pre-shared Keys232................................................................................................................................................................
    IPsec Roaming Clients with Certificates234................................................................................................................................................................
    L2TP Roaming Clients with Pre-Shared Keys234................................................................................................................................................................
    L2TP Roaming Clients with Certificates236................................................................................................................................................................
    PPTP Roaming Clients236................................................................................................................................................................
    VPN Troubleshooting237................................................................................................................................................................
    IPsec240................................................................................................................................................................
    Internet Key Exchange (IKE)240................................................................................................................................................................
    IKE Authentication245................................................................................................................................................................
    IPsec Protocols (ESP/AH)247................................................................................................................................................................
    The AH protocol247................................................................................................................................................................
    The ESP protocol247................................................................................................................................................................
    NAT Traversal248................................................................................................................................................................
    Proposal Lists249................................................................................................................................................................
    Using a Proposal List249................................................................................................................................................................
    Pre-shared Keys250................................................................................................................................................................
    Using a Pre-Shared key250................................................................................................................................................................
    Identification Lists251................................................................................................................................................................
    Using an Identity List251................................................................................................................................................................
    IPsec Tunnels253................................................................................................................................................................
    LAN to LAN Tunnels with Pre-shared Keys253................................................................................................................................................................
    Roaming Clients253................................................................................................................................................................
    Setting up a PSK based VPN tunnel for roaming clients254................................................................................................................................................................
    Setting up a Self-signed Certificate based VPN tunnel for roaming clients255................................................................................................................................................................
    Setting up a CA Server issued Certificate based VPN tunnel for roaming clients256................................................................................................................................................................
    Setting Up Config Mode258................................................................................................................................................................
    Using Config Mode with IPsec Tunnels258................................................................................................................................................................
    Fetching CRLs from an alternate LDAP server259................................................................................................................................................................
    Setting up an LDAP server259................................................................................................................................................................
    PPTP/L2TP260................................................................................................................................................................
    PPTP260................................................................................................................................................................
    Setting up a PPTP server260................................................................................................................................................................
    L2TP261................................................................................................................................................................
    Setting up an L2TP server261................................................................................................................................................................
    Setting up an L2TP Tunnel262................................................................................................................................................................
    Traffic Management267................................................................................................................................................................
    Traffic Shaping267................................................................................................................................................................
    Traffic Shaping in NetDefendOS268................................................................................................................................................................
    Simple Bandwidth Limiting269................................................................................................................................................................
    Pipe rule set to Pipe Packet Flow269................................................................................................................................................................
    Applying a Simple Bandwidth Limit269................................................................................................................................................................
    Limiting Bandwidth in Both Directions270................................................................................................................................................................
    Creating Differentiated Limits with Chains271................................................................................................................................................................
    Precedences272................................................................................................................................................................
    The Eight Pipe Precedences272................................................................................................................................................................
    Minimum and Maximum Pipe Precedence273................................................................................................................................................................
    Guarantees274................................................................................................................................................................
    Differentiated Guarantees274................................................................................................................................................................
    Groups275................................................................................................................................................................
    Traffic grouped per IP address275................................................................................................................................................................
    Recommendations276................................................................................................................................................................
    A Summary of Traffic Shaping277................................................................................................................................................................
    Threshold Rules279................................................................................................................................................................
    Connection Rate/Total Connection Limiting279................................................................................................................................................................
    Grouping279................................................................................................................................................................
    Rule Actions279................................................................................................................................................................
    Multiple Triggered Actions280................................................................................................................................................................
    Exempted Connections280................................................................................................................................................................
    Threshold Rules and ZoneDefense280................................................................................................................................................................
    Threshold Rule Blacklisting280................................................................................................................................................................
    Server Load Balancing281................................................................................................................................................................
    A Server Load Balancing configuration281................................................................................................................................................................
    Identifying the Servers282................................................................................................................................................................
    The Load Distribution Mode282................................................................................................................................................................
    The Distribution Algorithm282................................................................................................................................................................
    Connections from Three Clients283................................................................................................................................................................
    Stickiness and Round-Robin283................................................................................................................................................................
    Server Health Monitoring284................................................................................................................................................................
    SLB_SAT Rules284................................................................................................................................................................
    Stickiness and Connection Rate284................................................................................................................................................................
    Setting up SLB285................................................................................................................................................................
    High Availability289................................................................................................................................................................
    High Availability Mechanisms291................................................................................................................................................................
    High Availability Setup293................................................................................................................................................................
    Hardware Setup293................................................................................................................................................................
    NetDefendOS Setup294................................................................................................................................................................
    Verifying Cluster Functioning294................................................................................................................................................................
    High Availability Issues296................................................................................................................................................................
    ZoneDefense298................................................................................................................................................................
    ZoneDefense Switches299................................................................................................................................................................
    ZoneDefense Operation300................................................................................................................................................................
    SNMP300................................................................................................................................................................
    Manual Blocking and Exclude Lists300................................................................................................................................................................
    A simple ZoneDefense scenario301................................................................................................................................................................
    Limitations302................................................................................................................................................................
    Advanced Settings304................................................................................................................................................................
    IP Level Settings304................................................................................................................................................................
    TCP Level Settings307................................................................................................................................................................
    ICMP Level Settings311................................................................................................................................................................
    ARP Settings312................................................................................................................................................................
    Stateful Inspection Settings314................................................................................................................................................................
    Connection Timeouts316................................................................................................................................................................
    Size Limits by Protocol318................................................................................................................................................................
    Fragmentation Settings320................................................................................................................................................................
    Local Fragment Reassembly Settings324................................................................................................................................................................
    DHCP Settings325................................................................................................................................................................
    DHCPRelay Settings326................................................................................................................................................................
    DHCPServer Settings327................................................................................................................................................................
    IPsec Settings328................................................................................................................................................................
    Logging Settings330................................................................................................................................................................
    Time Synchronization Settings331................................................................................................................................................................
    PPP Settings333................................................................................................................................................................
    Hardware Monitor Settings334................................................................................................................................................................
    Packet Re-assembly Settings335................................................................................................................................................................
    Miscellaneous Settings336................................................................................................................................................................
    A. Subscribing to Security Updates338................................................................................................................................................................
    B. IDP Signature Groups340................................................................................................................................................................
    C. Checked MIME filetypes344................................................................................................................................................................
    D. The OSI Framework348................................................................................................................................................................
    D.1. The 7 layers of the OSI model348................................................................................................................................................................
    E. D-Link worldwide offices349................................................................................................................................................................
    Alphabetical Index351................................................................................................................................................................
  • D-Link DFL-860 Reference Manual (213 pages)

    Network security firewall cli

    Table of contents
    Table Of Contents4................................................................................................................................................................
    Preface10................................................................................................................................................................
    Command option notation10................................................................................................................................................................
    Introduction12................................................................................................................................................................
    Running a command12................................................................................................................................................................
    Help13................................................................................................................................................................
    Help for commands13................................................................................................................................................................
    Help for object types13................................................................................................................................................................
    Function keys14................................................................................................................................................................
    Command line history15................................................................................................................................................................
    Tab completion16................................................................................................................................................................
    Inline help16................................................................................................................................................................
    Autocompleting Current and Default value16................................................................................................................................................................
    Configuration object type categories17................................................................................................................................................................
    Edit an existing property value17................................................................................................................................................................
    Using categories with tab completion17................................................................................................................................................................
    User roles18................................................................................................................................................................
    Command Reference20................................................................................................................................................................
    Configuration20................................................................................................................................................................
    activate20................................................................................................................................................................
    cancel21................................................................................................................................................................
    Create a new object21................................................................................................................................................................
    Change context22................................................................................................................................................................
    commit23................................................................................................................................................................
    delete23................................................................................................................................................................
    Delete an object23................................................................................................................................................................
    pskgen24................................................................................................................................................................
    reject24................................................................................................................................................................
    Reject changes25................................................................................................................................................................
    reset26................................................................................................................................................................
    show27................................................................................................................................................................
    Set property values27................................................................................................................................................................
    Show objects28................................................................................................................................................................
    undelete29................................................................................................................................................................
    Undelete an object29................................................................................................................................................................
    Runtime31................................................................................................................................................................
    about31................................................................................................................................................................
    alarm31................................................................................................................................................................
    arpsnoop32................................................................................................................................................................
    blacklist33................................................................................................................................................................
    Block hosts33................................................................................................................................................................
    buffers34................................................................................................................................................................
    certcache36................................................................................................................................................................
    cfglog36................................................................................................................................................................
    connections36................................................................................................................................................................
    cpuid37................................................................................................................................................................
    crashdump38................................................................................................................................................................
    cryptostat38................................................................................................................................................................
    dconsole38................................................................................................................................................................
    dhcp39................................................................................................................................................................
    dhcprelay39................................................................................................................................................................
    dhcpserver40................................................................................................................................................................
    dnsbl41................................................................................................................................................................
    dynroute42................................................................................................................................................................
    frags42................................................................................................................................................................
    hostmon44................................................................................................................................................................
    httpalg44................................................................................................................................................................
    httpposter45................................................................................................................................................................
    hwaccel45................................................................................................................................................................
    idppipes46................................................................................................................................................................
    ifstat47................................................................................................................................................................
    igmp47................................................................................................................................................................
    ikesnoop48................................................................................................................................................................
    ippool49................................................................................................................................................................
    ipsecglobalstats49................................................................................................................................................................
    ipseckeepalive50................................................................................................................................................................
    ipsecstats50................................................................................................................................................................
    ipsectunnels51................................................................................................................................................................
    killsa51................................................................................................................................................................
    languagefiles52................................................................................................................................................................
    ldap52................................................................................................................................................................
    license53................................................................................................................................................................
    linkmon53................................................................................................................................................................
    lockdown54................................................................................................................................................................
    logout54................................................................................................................................................................
    memory55................................................................................................................................................................
    natpool55................................................................................................................................................................
    netcon55................................................................................................................................................................
    netobjects56................................................................................................................................................................
    ospf56................................................................................................................................................................
    List network objects which have names containing "net56................................................................................................................................................................
    pcapdump58................................................................................................................................................................
    pciscan60................................................................................................................................................................
    pipes61................................................................................................................................................................
    pptpalg61................................................................................................................................................................
    reconfigure62................................................................................................................................................................
    routemon62................................................................................................................................................................
    routes63................................................................................................................................................................
    rtmonitor64................................................................................................................................................................
    rules64................................................................................................................................................................
    Show all monitored objects in the alg/http category64................................................................................................................................................................
    selftest65................................................................................................................................................................
    Show a range of rules65................................................................................................................................................................
    Interface ping test between all interfaces66................................................................................................................................................................
    Interface ping test between interfaces 'if1' and 'if266................................................................................................................................................................
    ator66................................................................................................................................................................
    services67................................................................................................................................................................
    sessionmanager68................................................................................................................................................................
    List all services which names begin with "http68................................................................................................................................................................
    settings69................................................................................................................................................................
    shutdown70................................................................................................................................................................
    sipalg70................................................................................................................................................................
    sshserver72................................................................................................................................................................
    stats73................................................................................................................................................................
    sysmsgs73................................................................................................................................................................
    techsupport73................................................................................................................................................................
    time74................................................................................................................................................................
    uarules74................................................................................................................................................................
    updatecenter75................................................................................................................................................................
    userauth76................................................................................................................................................................
    vlan77................................................................................................................................................................
    vpnstats77................................................................................................................................................................
    ping78................................................................................................................................................................
    Utility78................................................................................................................................................................
    echo79................................................................................................................................................................
    Misc79................................................................................................................................................................
    Hello World79................................................................................................................................................................
    history80................................................................................................................................................................
    Transfer script files to and from the device80................................................................................................................................................................
    Upload license data80................................................................................................................................................................
    script81................................................................................................................................................................
    Upload certificate data81................................................................................................................................................................
    Upload ssh public key data81................................................................................................................................................................
    Execute script81................................................................................................................................................................
    Configuration Reference84................................................................................................................................................................
    Access85................................................................................................................................................................
    AddressFolder87................................................................................................................................................................
    Address87................................................................................................................................................................
    EthernetAddress89................................................................................................................................................................
    EthernetAddressGroup89................................................................................................................................................................
    IP4Address89................................................................................................................................................................
    IP4Group89................................................................................................................................................................
    IP4HAAddress89................................................................................................................................................................
    AdvancedScheduleProfile90................................................................................................................................................................
    AdvancedScheduleOccurrence90................................................................................................................................................................
    ALG_FTP91................................................................................................................................................................
    ALG_H32392................................................................................................................................................................
    ALG_HTTP92................................................................................................................................................................
    ALG_POP394................................................................................................................................................................
    ALG_PPTP94................................................................................................................................................................
    ALG_SIP95................................................................................................................................................................
    ALG_SMTP95................................................................................................................................................................
    ALG_TFTP97................................................................................................................................................................
    ALG_TLS98................................................................................................................................................................
    BlacklistWhiteHost100................................................................................................................................................................
    Certificate101................................................................................................................................................................
    Client102................................................................................................................................................................
    DynDnsClientCjbNet102................................................................................................................................................................
    DynDnsClientDyndnsOrg102................................................................................................................................................................
    DynDnsClientDynsCx102................................................................................................................................................................
    DynDnsClientPeanutHull103................................................................................................................................................................
    CommentGroup104................................................................................................................................................................
    COMPortDevice105................................................................................................................................................................
    ConfigModePool106................................................................................................................................................................
    DateTime107................................................................................................................................................................
    Device108................................................................................................................................................................
    DHCPServerPoolStaticHost110................................................................................................................................................................
    DHCPServerCustomOption111................................................................................................................................................................
    Driver113................................................................................................................................................................
    BNE2EthernetPCIDriver113................................................................................................................................................................
    BroadcomEthernetPCIDriver113................................................................................................................................................................
    E1000EthernetPCIDriver113................................................................................................................................................................
    E100EthernetPCIDriver114................................................................................................................................................................
    IXP4NPEEthernetDriver114................................................................................................................................................................
    MarvellEthernetPCIDriver115................................................................................................................................................................
    R8139EthernetPCIDriver115................................................................................................................................................................
    R8169EthernetPCIDriver115................................................................................................................................................................
    ST201EthernetPCIDriver116................................................................................................................................................................
    TulipEthernetPCIDriver116................................................................................................................................................................
    X3C905EthernetPCIDriver116................................................................................................................................................................
    DynamicRoutingRule118................................................................................................................................................................
    DynamicRoutingRuleExportOSPF119................................................................................................................................................................
    DynamicRoutingRuleAddRoute119................................................................................................................................................................
    EthernetDevice121................................................................................................................................................................
    HighAvailability122................................................................................................................................................................
    HTTPALGBanners123................................................................................................................................................................
    HTTPAuthBanners124................................................................................................................................................................
    IDList127................................................................................................................................................................
    IDPRule128................................................................................................................................................................
    IDPRuleAction128................................................................................................................................................................
    IGMPRule130................................................................................................................................................................
    IGMPSetting132................................................................................................................................................................
    IKEAlgorithms133................................................................................................................................................................
    Interface134................................................................................................................................................................
    DefaultInterface134................................................................................................................................................................
    Ethernet134................................................................................................................................................................
    GRETunnel135................................................................................................................................................................
    InterfaceGroup136................................................................................................................................................................
    IPsecTunnel136................................................................................................................................................................
    L2TPClient139................................................................................................................................................................
    L2TPServer140................................................................................................................................................................
    LoopbackInterface141................................................................................................................................................................
    PPPoETunnel142................................................................................................................................................................
    IPRuleSet146................................................................................................................................................................
    IPRule146................................................................................................................................................................
    IPRuleFolder148................................................................................................................................................................
    IPsecAlgorithms150................................................................................................................................................................
    LDAPDatabase151................................................................................................................................................................
    LDAPServer152................................................................................................................................................................
    LinkMonitor153................................................................................................................................................................
    LocalUserDatabase154................................................................................................................................................................
    User154................................................................................................................................................................
    LogReceiver155................................................................................................................................................................
    EventReceiverSNMP2c155................................................................................................................................................................
    LogReceiverMemory156................................................................................................................................................................
    LogReceiverSMTP156................................................................................................................................................................
    LogReceiverSyslog157................................................................................................................................................................
    OSPFProcess159................................................................................................................................................................
    OSPFArea160................................................................................................................................................................
    Pipe164................................................................................................................................................................
    PipeRule167................................................................................................................................................................
    RadiusAccounting169................................................................................................................................................................
    RadiusServer170................................................................................................................................................................
    RealTimeMonitorAlert171................................................................................................................................................................
    RemoteIDList172................................................................................................................................................................
    RemoteManagement173................................................................................................................................................................
    RemoteMgmtHTTP173................................................................................................................................................................
    RemoteMgmtNetcon173................................................................................................................................................................
    RemoteMgmtSNMP174................................................................................................................................................................
    RemoteMgmtSSH174................................................................................................................................................................
    RouteBalancingInstance176................................................................................................................................................................
    RouteBalancingSpilloverSettings177................................................................................................................................................................
    RoutingRule178................................................................................................................................................................
    RoutingTable179................................................................................................................................................................
    Route179................................................................................................................................................................
    SwitchRoute181................................................................................................................................................................
    ScheduleProfile182................................................................................................................................................................
    Service183................................................................................................................................................................
    ServiceGroup183................................................................................................................................................................
    ServiceICMP183................................................................................................................................................................
    ServiceIPProto184................................................................................................................................................................
    ServiceTCPUDP184................................................................................................................................................................
    ARPTableSettings186................................................................................................................................................................
    AuthenticationSettings187................................................................................................................................................................
    ConnTimeoutSettings187................................................................................................................................................................
    DHCPRelaySettings188................................................................................................................................................................
    DHCPServerSettings188................................................................................................................................................................
    EthernetSettings189................................................................................................................................................................
    FragSettings190................................................................................................................................................................
    HWMSettings191................................................................................................................................................................
    ICMPSettings191................................................................................................................................................................
    IPsecTunnelSettings192................................................................................................................................................................
    IPSettings193................................................................................................................................................................
    L2TPServerSettings194................................................................................................................................................................
    LengthLimSettings194................................................................................................................................................................
    LocalReassSettings195................................................................................................................................................................
    LogSettings196................................................................................................................................................................
    MiscSettings196................................................................................................................................................................
    MulticastSettings197................................................................................................................................................................
    RemoteMgmtSettings198................................................................................................................................................................
    RoutingSettings199................................................................................................................................................................
    SSLSettings200................................................................................................................................................................
    StateSettings201................................................................................................................................................................
    TCPSettings202................................................................................................................................................................
    VLANSettings203................................................................................................................................................................
    SSHClientKey204................................................................................................................................................................
    ThresholdRule205................................................................................................................................................................
    ThresholdAction205................................................................................................................................................................
    UserAuthRule208................................................................................................................................................................
    Index211................................................................................................................................................................
  • Table of contents
    Table Of Contents2................................................................................................................................................................
    Check Your Package Contents3................................................................................................................................................................
    Front View4................................................................................................................................................................
    LED Indicators5................................................................................................................................................................
    Default Interface Attribute Definition5................................................................................................................................................................
    Connecting the DFL6................................................................................................................................................................
    Configure DFL7................................................................................................................................................................
    Configure your Computer's IP7................................................................................................................................................................
    Using the Setup Wizard8................................................................................................................................................................
    How to Configure Static IP Manually on Microsoft Windows XP16................................................................................................................................................................
    How to Configure Static IP Manually on Apple MAC OS X17................................................................................................................................................................
  • D-Link DFL-860 Brochure & Specs (7 pages)

    Netdefend utm firewall series