D-Link DFL-260-AV-12 Manuals

Manuals and User Guides for D-Link DFL-260-AV-12. We have 1 D-Link DFL-260-AV-12 manual available for free PDF download: User Manual

D-Link DFL-260-AV-12 User Manual

D-Link DFL-260-AV-12 User Manual (552 pages)

NetDefendOS Network Security Firewall  
Brand: D-Link | Category: Network Hardware | Size: 9.21 MB
Table of contents
User Manual2................................................................................................................................................................
Table Of Contents4................................................................................................................................................................
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 Interface30................................................................................................................................................................
Enabling Remote Management Via Https33................................................................................................................................................................
The Cli34................................................................................................................................................................
Enabling Ssh Remote Access39................................................................................................................................................................
Cli Scripts43................................................................................................................................................................
Secure Copy46................................................................................................................................................................
The Console Boot Menu48................................................................................................................................................................
Management Advanced Settings50................................................................................................................................................................
Working With Configurations51................................................................................................................................................................
Listing Configuration Objects51................................................................................................................................................................
Displaying A Configuration Object52................................................................................................................................................................
Editing A Configuration Object53................................................................................................................................................................
Adding A Configuration Object53................................................................................................................................................................
Deleting A Configuration Object54................................................................................................................................................................
Undeleting A Configuration Object54................................................................................................................................................................
Listing Modified Configuration Objects55................................................................................................................................................................
Activating And Committing A Configuration55................................................................................................................................................................
Events And Logging57................................................................................................................................................................
Log Messages57................................................................................................................................................................
Creating Log Receivers58................................................................................................................................................................
Logging To Memorylogreceiver58................................................................................................................................................................
Logging To Syslog Hosts58................................................................................................................................................................
Enable Logging To A Syslog Host59................................................................................................................................................................
Snmp Traps60................................................................................................................................................................
Sending Snmp Traps To An Snmp Trap Receiver60................................................................................................................................................................
Advanced Log Settings61................................................................................................................................................................
Radius Accounting62................................................................................................................................................................
Radius Accounting Messages62................................................................................................................................................................
Interim Accounting Messages64................................................................................................................................................................
Activating Radius Accounting64................................................................................................................................................................
Radius Accounting Security64................................................................................................................................................................
Radius Accounting And High Availability64................................................................................................................................................................
Handling Unresponsive Servers65................................................................................................................................................................
Accounting And System Shutdowns65................................................................................................................................................................
Limitations With Nat65................................................................................................................................................................
Radius Advanced Settings65................................................................................................................................................................
Radius Accounting Server Setup66................................................................................................................................................................
Hardware Monitoring67................................................................................................................................................................
Snmp Monitoring69................................................................................................................................................................
Snmp Advanced Settings70................................................................................................................................................................
Enabling Snmp Monitoring70................................................................................................................................................................
The Pcapdump Command72................................................................................................................................................................
Maintenance75................................................................................................................................................................
Auto-update Mechanism75................................................................................................................................................................
Backing Up Configurations75................................................................................................................................................................
Restore To Factory Defaults77................................................................................................................................................................
Performing A Complete System Backup77................................................................................................................................................................
Complete Hardware Reset To Factory Defaults77................................................................................................................................................................
Fundamentals80................................................................................................................................................................
The Address Book80................................................................................................................................................................
Ip Addresses80................................................................................................................................................................
Adding An Ip Host81................................................................................................................................................................
Adding An Ip Network81................................................................................................................................................................
Adding An Ip Range81................................................................................................................................................................
Ethernet Addresses82................................................................................................................................................................
Deleting An Address Object82................................................................................................................................................................
Adding An Ethernet Address82................................................................................................................................................................
Address Groups83................................................................................................................................................................
Auto-generated Address Objects84................................................................................................................................................................
Address Book Folders84................................................................................................................................................................
Services85................................................................................................................................................................
Listing The Available Services85................................................................................................................................................................
Creating Custom Services86................................................................................................................................................................
Viewing A Specific Service86................................................................................................................................................................
Icmp Services89................................................................................................................................................................
Creating A Custom Tcp/udp Service89................................................................................................................................................................
Custom Ip Protocol Services91................................................................................................................................................................
Service Groups91................................................................................................................................................................
Adding An Ip Protocol Service91................................................................................................................................................................
Custom Service Timeouts92................................................................................................................................................................
Interfaces93................................................................................................................................................................
Ethernet Interfaces95................................................................................................................................................................
Enabling Dhcp100................................................................................................................................................................
Vlan101................................................................................................................................................................
Vlan Connections103................................................................................................................................................................
Defining A Vlan104................................................................................................................................................................
Pppoe105................................................................................................................................................................
Gre Tunnels107................................................................................................................................................................
Configuring A Pppoe Client107................................................................................................................................................................
Interface Groups111................................................................................................................................................................
Creating An Interface Group111................................................................................................................................................................
The Netdefendos Arp Cache112................................................................................................................................................................
Displaying The Arp Cache113................................................................................................................................................................
Flushing The Arp Cache113................................................................................................................................................................
Creating Arp Objects114................................................................................................................................................................
Defining A Static Arp Entry114................................................................................................................................................................
Using Arp Advanced Settings116................................................................................................................................................................
An Arp Publish Ethernet Frame116................................................................................................................................................................
Arp Advanced Settings Summary117................................................................................................................................................................
Ip Rule Sets121................................................................................................................................................................
Security Policies121................................................................................................................................................................
Simplified Netdefendos Traffic Flow123................................................................................................................................................................
Ip Rule Evaluation124................................................................................................................................................................
Ip Rule Actions125................................................................................................................................................................
Editing Ip Rule Set Entries126................................................................................................................................................................
Ip Rule Set Folders126................................................................................................................................................................
Adding An Allow Ip Rule126................................................................................................................................................................
Configuration Object Groups127................................................................................................................................................................
Schedules131................................................................................................................................................................
Setting Up A Time-scheduled Policy132................................................................................................................................................................
Certificates133................................................................................................................................................................
Certificates In Netdefendos134................................................................................................................................................................
Ca Certificate Requests135................................................................................................................................................................
Uploading A Certificate135................................................................................................................................................................
Associating Certificates With Ipsec Tunnels135................................................................................................................................................................
Date And Time137................................................................................................................................................................
Setting Date And Time137................................................................................................................................................................
Setting The Current Date And Time137................................................................................................................................................................
Time Servers138................................................................................................................................................................
Setting The Time Zone138................................................................................................................................................................
Enabling Dst138................................................................................................................................................................
Enabling Time Synchronization Using Sntp139................................................................................................................................................................
Manually Triggering A Time Synchronization140................................................................................................................................................................
Modifying The Maximum Adjustment Value140................................................................................................................................................................
Settings Summary For Date And Time141................................................................................................................................................................
Forcing Time Synchronization141................................................................................................................................................................
Enabling The D-link Ntp Server141................................................................................................................................................................
Configuring Dns Servers144................................................................................................................................................................
Routing147................................................................................................................................................................
Static Routing148................................................................................................................................................................
The Principles Of Routing148................................................................................................................................................................
A Typical Routing Scenario149................................................................................................................................................................
Using Local Ip Address With An Unbound Network151................................................................................................................................................................
Displaying The Main Routing Table154................................................................................................................................................................
Displaying The Core Routes155................................................................................................................................................................
Route Failover156................................................................................................................................................................
A Route Failover Scenario For Isp Access157................................................................................................................................................................
Host Monitoring For Route Failover159................................................................................................................................................................
Advanced Settings For Route Failover161................................................................................................................................................................
Proxy Arp162................................................................................................................................................................
A Proxy Arp Example163................................................................................................................................................................
Policy-based Routing165................................................................................................................................................................
Policy-based Routing Tables165................................................................................................................................................................
Policy-based Routing Rules165................................................................................................................................................................
Routing Table Selection166................................................................................................................................................................
The Ordering Parameter166................................................................................................................................................................
Creating A Policy-based Routing Table167................................................................................................................................................................
Creating The Route167................................................................................................................................................................
Policy-based Routing Configuration168................................................................................................................................................................
Route Load Balancing170................................................................................................................................................................
The Rlb Round Robin Algorithm171................................................................................................................................................................
The Rlb Spillover Algorithm172................................................................................................................................................................
A Route Load Balancing Scenario174................................................................................................................................................................
Setting Up Rlb174................................................................................................................................................................
Ospf176................................................................................................................................................................
Dynamic Routing176................................................................................................................................................................
A Simple Ospf Scenario177................................................................................................................................................................
Ospf Providing Route Redundancy178................................................................................................................................................................
Ospf Concepts179................................................................................................................................................................
Virtual Links Connecting Areas182................................................................................................................................................................
Virtual Links With Partitioned Backbone183................................................................................................................................................................
Ospf Components184................................................................................................................................................................
Netdefendos Ospf Objects184................................................................................................................................................................
Dynamic Routing Rules190................................................................................................................................................................
Dynamic Routing Rule Objects191................................................................................................................................................................
Setting Up Ospf193................................................................................................................................................................
An Ospf Example196................................................................................................................................................................
Creating An Ospf Router Process197................................................................................................................................................................
Add An Ospf Area197................................................................................................................................................................
Add Ospf Interface Objects197................................................................................................................................................................
Import Routes From An Ospf As Into The Main Routing Table197................................................................................................................................................................
Exporting The Default Route Into An Ospf As198................................................................................................................................................................
Multicast Routing199................................................................................................................................................................
Multicast Forwarding With Sat Multiplex Rules200................................................................................................................................................................
Multicast Forwarding - No Address Translation201................................................................................................................................................................
Forwarding Of Multicast Traffic Using The Sat Multiplex Rule201................................................................................................................................................................
Multicast Forwarding - Address Translation203................................................................................................................................................................
Igmp Configuration204................................................................................................................................................................
Multicast Snoop Mode205................................................................................................................................................................
Multicast Proxy Mode205................................................................................................................................................................
Igmp - No Address Translation206................................................................................................................................................................
If1 Configuration207................................................................................................................................................................
If2 Configuration - Group Translation208................................................................................................................................................................
Advanced Igmp Settings209................................................................................................................................................................
Transparent Mode212................................................................................................................................................................
Enabling Internet Access217................................................................................................................................................................
Non-transparent Mode Internet Access217................................................................................................................................................................
Transparent Mode Internet Access217................................................................................................................................................................
Transparent Mode Scenarios218................................................................................................................................................................
Transparent Mode Scenario 1219................................................................................................................................................................
Setting Up Transparent Mode For Scenario 1219................................................................................................................................................................
Transparent Mode Scenario 2220................................................................................................................................................................
Setting Up Transparent Mode For Scenario 2220................................................................................................................................................................
Spanning Tree Bpdu Support222................................................................................................................................................................
Advanced Settings For Transparent Mode223................................................................................................................................................................
An Example Bpdu Relaying Scenario223................................................................................................................................................................
Dhcp Services228................................................................................................................................................................
Dhcp Servers229................................................................................................................................................................
Setting Up A Dhcp Server230................................................................................................................................................................
Checking Dhcp Server Status231................................................................................................................................................................
Static Dhcp Hosts232................................................................................................................................................................
Dhcp Server Objects232................................................................................................................................................................
Custom Options233................................................................................................................................................................
Static Dhcp Host Assignment233................................................................................................................................................................
Dhcp Relaying235................................................................................................................................................................
Setting Up A Dhcp Relayer235................................................................................................................................................................
Dhcp Relay Advanced Settings236................................................................................................................................................................
Ip Pools238................................................................................................................................................................
Creating An Ip Pool240................................................................................................................................................................
Security Mechanisms242................................................................................................................................................................
Access Rules242................................................................................................................................................................
Ip Spoofing243................................................................................................................................................................
Access Rule Settings243................................................................................................................................................................
Setting Up An Access Rule244................................................................................................................................................................
Algs245................................................................................................................................................................
Deploying An Alg245................................................................................................................................................................
The Http Alg246................................................................................................................................................................
Http Alg Processing Order248................................................................................................................................................................
The Ftp Alg249................................................................................................................................................................
Ftp Alg Hybrid Mode251................................................................................................................................................................
Protecting An Ftp Server With An Alg253................................................................................................................................................................
Protecting Ftp Clients256................................................................................................................................................................
The Tftp Alg258................................................................................................................................................................
The Smtp Alg259................................................................................................................................................................
Smtp Alg Processing Order261................................................................................................................................................................
Anti-spam Filtering263................................................................................................................................................................
The Pop3 Alg268................................................................................................................................................................
The Pptp Alg269................................................................................................................................................................
Pptp Alg Usage269................................................................................................................................................................
The Sip Alg270................................................................................................................................................................
The H.323 Alg280................................................................................................................................................................
Protecting Phones Behind Netdefend Firewalls282................................................................................................................................................................
H.323 With Private Ip Addresses284................................................................................................................................................................
Two Phones Behind Different Netdefend Firewalls285................................................................................................................................................................
Using Private Ip Addresses286................................................................................................................................................................
H.323 With Gatekeeper287................................................................................................................................................................
H.323 With Gatekeeper And Two Netdefend Firewalls289................................................................................................................................................................
Using The H.323 Alg In A Corporate Environment290................................................................................................................................................................
Configuring Remote Offices For H.323293................................................................................................................................................................
Allowing The H.323 Gateway To Register With The Gatekeeper293................................................................................................................................................................
The Tls Alg294................................................................................................................................................................
Tls Termination295................................................................................................................................................................
Web Content Filtering297................................................................................................................................................................
Active Content Handling297................................................................................................................................................................
Static Content Filtering298................................................................................................................................................................
Stripping Activex And Java Applets298................................................................................................................................................................
Setting Up A White And Blacklist299................................................................................................................................................................
Dynamic Web Content Filtering300................................................................................................................................................................
Dynamic Content Filtering Flow301................................................................................................................................................................
Enabling Dynamic Web Content Filtering302................................................................................................................................................................
Enabling Audit Mode304................................................................................................................................................................
Reclassifying A Blocked Site305................................................................................................................................................................
Editing Content Filtering Http Banner Files312................................................................................................................................................................
Anti-virus Scanning314................................................................................................................................................................
Implementation314................................................................................................................................................................
Activating Anti-virus Scanning315................................................................................................................................................................
The Signature Database316................................................................................................................................................................
Subscribing To The D-link Anti-virus Service316................................................................................................................................................................
Anti-virus Options316................................................................................................................................................................
Intrusion Detection And Prevention320................................................................................................................................................................
Idp Availability For D-link Models320................................................................................................................................................................
Idp Database Updating321................................................................................................................................................................
Idp Rules322................................................................................................................................................................
Idp Signature Selection323................................................................................................................................................................
Insertion/evasion Attack Prevention324................................................................................................................................................................
Idp Pattern Matching325................................................................................................................................................................
Idp Signature Groups326................................................................................................................................................................
Idp Actions327................................................................................................................................................................
Smtp Log Receiver For Idp Events328................................................................................................................................................................
Configuring An Smtp Log Receiver328................................................................................................................................................................
Setting Up Idp For A Mail Server329................................................................................................................................................................
Denial-of-service Attack Prevention332................................................................................................................................................................
Dos Attack Mechanisms332................................................................................................................................................................
Ping Of Death And Jolt Attacks332................................................................................................................................................................
Fragmentation Overlap Attacks: Teardrop, Bonk, Boink And Nestea333................................................................................................................................................................
The Land And Latierra Attacks333................................................................................................................................................................
The Winnuke Attack333................................................................................................................................................................
Amplification Attacks: Smurf, Papasmurf, Fraggle334................................................................................................................................................................
Tcp Syn Flood Attacks335................................................................................................................................................................
The Jolt2 Attack335................................................................................................................................................................
Distributed Dos Attacks335................................................................................................................................................................
Blacklisting Hosts And Networks337................................................................................................................................................................
Adding A Host To The Whitelist338................................................................................................................................................................
Address Translation340................................................................................................................................................................
Nat Ip Address Translation341................................................................................................................................................................
A Nat Example343................................................................................................................................................................
Adding A Nat Rule343................................................................................................................................................................
Anonymizing With Nat345................................................................................................................................................................
Nat Pools346................................................................................................................................................................
Using Nat Pools347................................................................................................................................................................
Translation Of A Single Ip Address (1:1)349................................................................................................................................................................
The Role Of The Dmz350................................................................................................................................................................
Enabling Traffic To A Protected Web Server In A Dmz350................................................................................................................................................................
Enabling Traffic To A Web Server On An Internal Network352................................................................................................................................................................
Translation Of Multiple Ip Addresses (m:n)354................................................................................................................................................................
Translating Traffic To Multiple Protected Web Servers354................................................................................................................................................................
All-to-one Mappings (n:1)356................................................................................................................................................................
Port Translation356................................................................................................................................................................
Protocols Handled By Sat357................................................................................................................................................................
Multiple Sat Rule Matches357................................................................................................................................................................
Sat And Fwdfast Rules358................................................................................................................................................................
User Authentication361................................................................................................................................................................
Authentication Setup363................................................................................................................................................................
Setup Summary363................................................................................................................................................................
The Local Database363................................................................................................................................................................
External Radius Servers365................................................................................................................................................................
External Ldap Servers365................................................................................................................................................................
Normal Ldap Authentication371................................................................................................................................................................
Authentication Rules372................................................................................................................................................................
Ldap For Ppp With Chap, Ms-chapv1 Or Ms-chapv2372................................................................................................................................................................
Authentication Processing374................................................................................................................................................................
A Group Usage Example375................................................................................................................................................................
Http Authentication375................................................................................................................................................................
Creating An Authentication User Group377................................................................................................................................................................
User Authentication Setup For Web Access377................................................................................................................................................................
Configuring A Radius Server378................................................................................................................................................................
Customizing Html379................................................................................................................................................................
Vpn Usage383................................................................................................................................................................
Vpn Encryption384................................................................................................................................................................
Vpn Planning384................................................................................................................................................................
Key Distribution385................................................................................................................................................................
The Tls Alternative For Vpn385................................................................................................................................................................
Vpn Quick Start387................................................................................................................................................................
Ipsec Lan To Lan With Pre-shared Keys388................................................................................................................................................................
Ipsec Lan To Lan With Certificates389................................................................................................................................................................
Ipsec Roaming Clients With Pre-shared Keys390................................................................................................................................................................
Ipsec Roaming Clients With Certificates392................................................................................................................................................................
L2tp Roaming Clients With Pre-shared Keys393................................................................................................................................................................
L2tp Roaming Clients With Certificates394................................................................................................................................................................
Pptp Roaming Clients395................................................................................................................................................................
Ipsec Components397................................................................................................................................................................
Internet Key Exchange (ike)397................................................................................................................................................................
Ike Authentication403................................................................................................................................................................
Ipsec Protocols (esp/ah)404................................................................................................................................................................
Nat Traversal405................................................................................................................................................................
The Ah Protocol405................................................................................................................................................................
The Esp Protocol405................................................................................................................................................................
Algorithm Proposal Lists407................................................................................................................................................................
Using An Algorithm Proposal List407................................................................................................................................................................
Pre-shared Keys408................................................................................................................................................................
Using A Pre-shared Key408................................................................................................................................................................
Identification Lists409................................................................................................................................................................
Using An Identity List409................................................................................................................................................................
Ipsec Tunnels412................................................................................................................................................................
Lan To Lan Tunnels With Pre-shared Keys414................................................................................................................................................................
Roaming Clients414................................................................................................................................................................
Setting Up A Psk Based Vpn Tunnel For Roaming Clients415................................................................................................................................................................
Setting Up A Self-signed Certificate Based Vpn Tunnel For Roaming Clients415................................................................................................................................................................
Setting Up Ca Server Certificate Based Vpn Tunnels For Roaming Clients417................................................................................................................................................................
Setting Up Config Mode418................................................................................................................................................................
Fetching Crls From An Alternate Ldap Server419................................................................................................................................................................
Using Config Mode With Ipsec Tunnels419................................................................................................................................................................
Setting Up An Ldap Server419................................................................................................................................................................
Troubleshooting With Ikesnoop420................................................................................................................................................................
Ipsec Advanced Settings427................................................................................................................................................................
Pptp/l2tp431................................................................................................................................................................
Pptp Servers431................................................................................................................................................................
L2tp Servers432................................................................................................................................................................
Setting Up A Pptp Server432................................................................................................................................................................
Setting Up An L2tp Server433................................................................................................................................................................
Setting Up An L2tp Tunnel Over Ipsec433................................................................................................................................................................
L2tp/pptp Server Advanced Settings436................................................................................................................................................................
Pptp/l2tp Clients437................................................................................................................................................................
Pptp Client Usage439................................................................................................................................................................
Ca Server Access440................................................................................................................................................................
Certificate Validation Components441................................................................................................................................................................
Vpn Troubleshooting443................................................................................................................................................................
General Troubleshooting443................................................................................................................................................................
Troubleshooting Certificates443................................................................................................................................................................
Ipsec Troubleshooting Commands444................................................................................................................................................................
Management Interface Failure With Vpn445................................................................................................................................................................
Specific Error Messages445................................................................................................................................................................
Specific Symptoms448................................................................................................................................................................
Traffic Management451................................................................................................................................................................
Traffic Shaping451................................................................................................................................................................
Traffic Shaping In Netdefendos452................................................................................................................................................................
Pipe Rules Determine Pipe Usage453................................................................................................................................................................
Simple Bandwidth Limiting454................................................................................................................................................................
Fwdfast Rules Bypass Traffic Shaping454................................................................................................................................................................
Applying A Simple Bandwidth Limit454................................................................................................................................................................
Limiting Bandwidth In Both Directions455................................................................................................................................................................
Creating Differentiated Limits Using Chains456................................................................................................................................................................
Precedences457................................................................................................................................................................
Differentiated Limits Using Chains457................................................................................................................................................................
The Eight Pipe Precedences458................................................................................................................................................................
Minimum And Maximum Pipe Precedence460................................................................................................................................................................
Pipe Groups462................................................................................................................................................................
Traffic Grouped By Ip Address464................................................................................................................................................................
Traffic Shaping Recommendations465................................................................................................................................................................
A Summary Of Traffic Shaping466................................................................................................................................................................
More Pipe Examples467................................................................................................................................................................
A Basic Traffic Shaping Scenario468................................................................................................................................................................
Idp Traffic Shaping472................................................................................................................................................................
Setting Up Idp Traffic Shaping472................................................................................................................................................................
Processing Flow473................................................................................................................................................................
The Importance Of Specifying A Network473................................................................................................................................................................
A P2p Scenario474................................................................................................................................................................
Idp Traffic Shaping P2p Scenario474................................................................................................................................................................
Viewing Traffic Shaping Objects475................................................................................................................................................................
Guaranteeing Instead Of Limiting Bandwidth476................................................................................................................................................................
Logging476................................................................................................................................................................
Threshold Rules477................................................................................................................................................................
Limiting The Connection Rate/total Connections477................................................................................................................................................................
Grouping478................................................................................................................................................................
Rule Actions478................................................................................................................................................................
Multiple Triggered Actions478................................................................................................................................................................
Exempted Connections478................................................................................................................................................................
Threshold Rules And Zonedefense478................................................................................................................................................................
Threshold Rule Blacklisting478................................................................................................................................................................
Server Load Balancing480................................................................................................................................................................
Slb Distribution Algorithms481................................................................................................................................................................
A Server Load Balancing Configuration481................................................................................................................................................................
Selecting Stickiness482................................................................................................................................................................
Slb Algorithms And Stickiness483................................................................................................................................................................
Connections From Three Clients483................................................................................................................................................................
Server Health Monitoring484................................................................................................................................................................
Stickiness And Round-robin484................................................................................................................................................................
Stickiness And Connection-rate484................................................................................................................................................................
Setting Up Slb_sat Rules485................................................................................................................................................................
Setting Up Slb485................................................................................................................................................................
High Availability489................................................................................................................................................................
Ha Mechanisms491................................................................................................................................................................
Setting Up Ha494................................................................................................................................................................
Ha Hardware Setup494................................................................................................................................................................
Netdefendos Manual Ha Setup495................................................................................................................................................................
Verifying The Cluster Functions496................................................................................................................................................................
Unique Shared Mac Addresses497................................................................................................................................................................
Ha Issues498................................................................................................................................................................
Upgrading An Ha Cluster500................................................................................................................................................................
Ha Advanced Settings502................................................................................................................................................................
Zonedefense504................................................................................................................................................................
Zonedefense Switches505................................................................................................................................................................
Zonedefense Operation506................................................................................................................................................................
Snmp506................................................................................................................................................................
Manual Blocking And Exclude Lists506................................................................................................................................................................
A Simple Zonedefense Scenario507................................................................................................................................................................
Zonedefense With Anti-virus Scanning508................................................................................................................................................................
Limitations508................................................................................................................................................................
Advanced Settings511................................................................................................................................................................
Ip Level Settings511................................................................................................................................................................
Tcp Level Settings515................................................................................................................................................................
Icmp Level Settings520................................................................................................................................................................
State Settings521................................................................................................................................................................
Connection Timeout Settings523................................................................................................................................................................
Length Limit Settings525................................................................................................................................................................
Fragmentation Settings527................................................................................................................................................................
Local Fragment Reassembly Settings531................................................................................................................................................................
Miscellaneous Settings532................................................................................................................................................................
A. Subscribing To Updates534................................................................................................................................................................
B. Idp Signature Groups536................................................................................................................................................................
C. Verified Mime Filetypes540................................................................................................................................................................
D. The Osi Framework544................................................................................................................................................................
D.1. The 7 Layers Of The Osi Model544................................................................................................................................................................
Alphabetical Index545................................................................................................................................................................

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