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ZyXEL Communications ZyXEL ZyWALL 30W User Manual (708 pages)

Internet Security Gateway

Brand: ZyXEL Communications | Category: Gateway | Size: 15 MB

Information for Canadian Users
4
Zyxel Limited Warranty
5
Customer Support
6
Table of Contents
9
List of Figures
21
List of Tables
33
Preface
39
- Related Documentation
  39
- Syntax Conventions
  40
Getting Started
41
Chapter 1 Getting to Know Your Zywall

43
- Zywall Internet Security Gateway Overview
  43
- Zywall Features
  43
  - Reset Button
    44
  - Wep Encryption
    46
  - Pptp Encapsulation
    47
  - Dynamic Dns Support
    47
  - Traffic Redirect
    48
  - Port Forwarding
    48
- Figure 6-3 Wireless
  49
- Table 1-1 Model Specific Features
  49
- Table 6-1 Wireless
  49
- Applications for the Zywall
  51
- Figure 1-1 Secure Internet Access Via Cable, DSL or Wireless Modem
  51
- Figure 1-2 VPN Application
  52
Chapter 2 Introducing the Web Configurator

53
Chapter 3 Wizard Setup

61
Chapter 4 System Screens

75
- System Overview
  75
- DNS Overview
  75
- Configuring General Setup
  75
- Figure 4-1 System General Setup
  75
- Table 4-1 System General Setup
  76
- Dynamic DNS
  77
- Configuring Dynamic DNS
  77
- Dyndns Wildcard
  77
- Figure 4-2 DDNS
  78
- Table 4-2 DDNS
  78
- Configuring Password
  79
- Figure 4-3 Password
  79
- Pre-Defined NTP Time Servers List
  80
- Table 4-3 Password
  80
- Table 4-4 Pre-Defined Time Servers
  80
- Configuring Time Setting
  81
- Figure 4-4 Time Setting
  81
- Table 4-5 Time Setting
  82
Chapter 5 LAN Screens

83
- LAN Overview
  83
- DHCP Setup
  83
  - Ip Pool Setup
    83
  - Dns Servers
    83
  - Factory Lan Defaults
    83
- Lan Tcp/Ip
  83
- Rip Setup
  84
- Configuring IP
  85
- Figure 5-1 IP
  85
- Table 5-1 IP
  85
- Configuring Static DHCP
  88
- Figure 5-2 Static DHCP
  88
- Table 5-2 Static DHCP
  88
- Configuring IP Alias
  89
- Figure 5-3 Physical Network Figure 5-4 Partitioned Logical Networks
  89
- Figure 5-5 IP Alias
  90
- Table 5-3 IP Alias
  90
Chapter 6 Wireless LAN Screens

93
- Wireless LAN Overview
  93
- Wireless LAN Basics
  93
- Figure 6-1 RTS Threshold
  94
- Wireless Security
  95
- Figure 6-2 Zywall Wireless Security Levels
  95
- Configuring Wireless LAN
  96
- Configuring MAC Filter
  98
- Figure 6-4 MAC Address Filter
  99
- Table 6-2 MAC Address Filter
  99
- Overview
  100
- Configuring 802.1X
  100
- Figure 6-5 802.1X Authentication
  100
- Table 6-3 802.1X Authentication
  100
- DMZ and WAN
  103
Chapter 7 DMZ Screens

105
- DMZ Overview
  105
- DMZ Addresses
  105
- Configuring DMZ
  105
- Figure 7-1 DMZ (Zywall 100)
  106
- Table 7-1 DMZ
  107
Chapter 8 WAN Screens

109
- WAN Overview
  109
- TCP/IP Priority (Metric)
  109
- Configuring Route
  109
- Configuring WAN ISP
  110
- Figure 8-1 WAN Setup: Route
  110
- Table 8-1 WAN Setup: Route
  110
- Figure 8-2 Ethernet Encapsulation
  111
- Table 8-2 Ethernet Encapsulation
  111
- Figure 8-3 Pppoe Encapsulation
  113
- Table 8-3 Pppoe Encapsulation
  113
- Figure 8-4 PPTP Encapsulation
  115
- Table 8-4 PPTP Encapsulation
  115
- Configuring WAN IP
  116
- Figure 8-5 IP Setup
  117
- Table 8-5 IP Setup
  117
- Configuring WAN MAC
  119
- Traffic Redirect
  120
- Figure 8-6 MAC Setup
  120
- Figure 8-7 Traffic Redirect WAN Setup
  120
- Configuring Traffic Redirect
  121
- Figure 8-8 Traffic Redirect LAN Setup
  121
- Figure 8-9 Traffic Redirect
  122
- Table 8-6 Traffic Redirect
  122
- Configuring Dial Backup
  123
- Figure 8-10 Dial Backup Setup
  124
- Table 8-7Dial Backup Setup
  125
- Advanced Modem Setup
  128
- Configuring Advanced Modem Setup
  129
- Figure 8-11 Advanced Setup
  129
- Table 8-8 Advanced Setup
  130
- NAT and Static Route
  133
Chapter 9 Network Address Translation (NAT) Screens

135
- NAT Overview
  135
  - How Nat Works
    136
  - Table 9-2 NAT Table Example
    136
  - What Nat Does
    136
- Figure 9-1 How NAT Works
  137
- Figure 9-2 NAT Application with IP Alias
  138
- Using NAT
  139
- Table 9-3 NAT Mapping Types
  139
- SUA Server
  140
- Table 9-4 Services and Port Numbers
  140
- Configuring SUA Server
  142
- Figure 9-3 Multiple Servers Behind NAT Example
  142
- Figure 9-4 SUA Server
  143
- Table 9-5 SUA Server
  143
- Configuring Address Mapping
  144
- Figure 9-5 Address Mapping
  144
- Table 9-6 Address Mapping
  145
- Figure 9-6Address Mapping Edit
  146
- Table 9-7 Address Mapping Edit
  146
- Trigger Port Forwarding
  147
- Configuring Trigger Port Forwarding
  148
- Figure 9-7 Trigger Port Forwarding Process: Example
  148
- Figure 9-8 Trigger Port
  149
- Table 9-8 Trigger Port
  149
Chapter 10 Static Route Screens

151
- Static Route Overview
  151
- Configuring IP Static Route
  151
- Figure 10-1 Example of Static Routing Topology
  151
- Figure 10-2 IP Static Route
  152
- Table 10-1 IP Static Route
  152
- Figure 10-3 Edit IP Static Route
  153
- Table 10-2 Edit IP Static Route
  153
- Firewall and Content Filtering
  155
Chapter 11 Firewalls

157
- Firewall Overview
  157
- Types of Firewalls
  157
- Introduction to Zyxel's Firewall
  158
- Denial of Service
  159
- Figure 11-1 Zywall Firewall Application
  159
- Figure 18-20 FTP
  160
- Figure 18-23 DNS
  160
- Types of Dos Attacks
  160
- Table 11-1 Common IP Ports
  160
- Figure 11-2 Three-Way Handshake
  161
- Figure 11-3 SYN Flood
  161
- Figure 11-4 Smurf Attack
  162
- Table 11-2 ICMP Commands that Trigger Alerts
  162
- Stateful Inspection
  163
  - Table 11-3 Legal Netbios Commands
    163
  - Table 11-4 Legal SMTP Commands
    163
  - Figure 11-5 Stateful Inspection
    164
  - Stateful Inspection and the Zywall
    165
  - Tcp Security
    166
- Guidelines for Enhancing Security with Your Firewall
  167
- Packet Filtering Vs Firewall
  168
Chapter 12 Firewall Screens

171
- Access Methods
  171
- Firewall Policies Overview
  171
- Rule Logic Overview
  172
  - Security Ramifications
    173
  - Key Fields for Configuring Rules
    173
- Connection Direction Examples
  174
- Figure 12-1 LAN to WAN Traffic
  174
- Bandwidth Management - Lite
  175
- Bandwidth Management Usage Examples
  175
- Figure 12-2 WAN to LAN Traffic
  175
- Figure 12-3 Application-Based Bandwidth Management Example
  176
- Figure 12-4 Subnet-Based Bandwidth Management Example
  176
- Table 12-1 Application and Subnet-Based Bandwidth Management Example
  176
- Alerts
  177
- Configuring Firewall
  177
- Figure 12-5 Application and Subnet-Based Bandwidth Management Example
  177
- Figure 12-6 Firewall Summary
  178
- Table 12-2 Firewall Summary
  178
- Configuring Firewall Rules
  180
- Figure 12-7 Firewall Edit Rule
  181
- Table 12-3 Firewall Edit Rule
  181
- Figure 12-8 Source and Destination Addresses Add/Edit
  184
- Table 12-4 Source and Destination Addresses Add/Edit
  184
- Figure 12-9 Custom Port Create/Edit
  185
- Table 12-5 Custom Port Create/Edit
  185
- Figure 12-10 BM Global Setting
  186
- Table 12-6 BM Global Setting
  186
- Example Firewall Rule
  187
- Figure 12-11 Firewall Edit Rule Screen
  188
- Figure 12-12 Firewall Rule Edit IP Example
  188
- Figure 12-13 Edit Custom Port Example
  189
- Figure 12-14 My Service Rule Configuration
  190
- Predefined Services
  191
- Figure 12-15 My Service Example Rule Summary
  191
- Table 12-7 Predefined Services
  192
- Configuring Attack Alert
  194
- Figure 12-16 Attack Alert
  196
- Table 12-8 Attack Alert
  196
Chapter 13 Content Filtering Screens

199
Chapter 14 Introduction to Ipsec

219
- VPN Overview
  219
- Ipsec Architecture
  220
- Figure 14-1 Encryption and Decryption
  220
- Encapsulation
  221
- Figure 14-2 Ipsec Architecture
  221
- Ipsec and NAT
  222
- Figure 14-3 Transport and Tunnel Mode Ipsec Encapsulation
  222
- Table 14-1 VPN and NAT
  223
Chapter 15 VPN Screens

225
- Vpn/Ipsec Overview
  225
- Ipsec Algorithms
  225
- My IP Address
  226
- Secure Gateway Address
  226
- Table 15-1 AH and ESP
  226
- VPN Rules Screen
  227
- Figure 15-1 Ipsec VPN Rules Fields
  227
- Figure 15-2 VPN Rules
  228
- Table 15-2 VPN Rules
  228
- Keep Alive
  230
- NAT Traversal
  230
- Figure 15-3 NAT Router between Ipsec Routers
  230
- ID Type and Content
  232
- Figure 15-4 VPN Host Using Intranet DNS Server Example
  232
- Table 15-3 Local ID Type and Content Fields
  233
- Table 15-4 Peer ID Type and Content Fields
  233
- Table 15-5 Matching ID Type and Content Configuration Example
  233
- Pre-Shared Key
  234
- Certificates
  234
- Editing VPN Policies
  234
- Table 15-6 Mismatching ID Type and Content Configuration Example
  234
- Figure 15-5 VPN IKE
  235
- Table 15-7 VPN IKE
  236
- IKE Phases
  243
- Figure 15-6 Two Phases to Set up the Ipsec SA
  243
- Negotiation Mode
  244
- Configuring Advanced IKE Settings
  245
- Figure 15-7 VPN IKE: Advanced
  246
- Table 15-8 VPN IKE: Advanced
  246
- Manual Key Setup
  249
- Configuring Manual Key
  249
- Figure 15-8 VPN Manual Key
  250
- Table 15-9 VPN Manual Key
  250
- Viewing SA Monitor
  253
- Figure 15-9 SA Monitor (Zywall 100)
  254
- Table 15-10 SA Monitor
  254
- Configuring Global Setting
  255
- Figure 15-10 Global Setting
  255
- Table 15-11 Global Setting
  255
- Telecommuter Vpn/Ipsec Examples
  256
- Figure 15-11 Telecommuters Sharing One VPN Rule Example
  256
- Table 15-12 Telecommuters Sharing One VPN Rule Example
  256
- Figure 15-12 Telecommuters Using Unique VPN Rules Example
  257
- Table 15-13 Telecommuters Using Unique VPN Rules Example
  258
- VPN and Remote Management
  259
- Certificates
  261

ZyXEL Communications ZyXEL ZyWALL 30W User Manual (692 pages)

ZyWall Series Internet Security Gateway

Brand: ZyXEL Communications | Category: Gateway | Size: 15.32 MB

Information for Canadian Users
4
Zyxel Limited Warranty
5
Customer Support
6
- Warranty Information
  6
- Table of Contents
  7
List of Figures
15
List of Tables
23
Preface
27
- Related Documentation
  27
- Syntax Conventions
  28
Getting Started
29
Chapter 1 Getting to Know Your Zywall

31
- Zywall Internet Security Gateway Overview
  31
- Zywall Features
  31
  - Reset Button
    32
  - Wep Encryption
    34
  - Pptp Encapsulation
    35
  - Dynamic Dns Support
    35
  - Traffic Redirect
    36
  - Port Forwarding
    36
- Figure 6-3 Wireless
  37
- Table 1-1 Model Specific Features
  37
- Table 6-1 Wireless
  37
- Applications for the Zywall
  39
- Figure 1-1 Secure Internet Access Via Cable, DSL or Wireless Modem
  39
- Figure 1-2 VPN Application
  40
Chapter 2 Introducing the Web Configurator

41
Chapter 3 Wizard Setup

49
Chapter 4 System Screens

63
- System Overview
  63
- DNS Overview
  63
- Configuring General Setup
  63
- Figure 4-1 System General Setup
  64
- Table 4-1 System General Setup
  64
- Dynamic DNS
  65
- Configuring Dynamic DNS
  65
- Figure 4-2 DDNS
  66
- Table 4-2 DDNS
  66
- Configuring Password
  67
- Figure 4-3 Password
  67
- Configuring Time Setting
  68
- Figure 4-4 Time Setting
  68
- Table 4-3 Password
  68
- Table 4-4 Time Setting
  69
Chapter 5 LAN Screens

71
- LAN Overview
  71
- DHCP Setup
  71
- Lan Tcp/Ip
  71
- Rip Setup
  72
- Configuring IP
  73
- Figure 5-1 IP
  73
- Table 5-1 IP
  73
- Configuring Static DHCP
  76
- Figure 5-2 Static DHCP
  76
- Table 5-2 Static DHCP
  76
- Configuring IP Alias
  77
- Figure 5-3 Physical Network Figure 5-4 Partitioned Logical Networks
  77
- Figure 5-5 IP Alias
  78
- Table 5-3 IP Alias
  78
Chapter 6 Wireless LAN Screens

81
- Wireless LAN Overview
  81
- Wireless LAN Basics
  81
- Figure 6-1 RTS Threshold
  82
- Wireless Security
  83
- Figure 6-2 Zywall Wireless Security Levels
  83
- Configuring Wireless LAN
  84
- Configuring MAC Filter
  86
- Figure 6-4 MAC Address Filter
  87
- Table 6-2 MAC Address Filter
  87
- Overview
  88
- Configuring 802.1X
  88
- Figure 6-5 802.1X Authentication
  88
- Table 6-3 802.1X Authentication
  88
- DMZ and WAN
  91
Chapter 7 DMZ Screens

93
- DMZ Overview
  93
- DMZ Addresses
  93
- Configuring DMZ
  93
- Figure 7-1 DMZ (Zywall 100)
  94
- Table 7-1 DMZ
  95
Chapter 8 WAN Screens

97
- WAN Overview
  97
- TCP/IP Priority (Metric)
  97
- Configuring Route
  97
- Configuring WAN ISP
  98
- Figure 8-1 WAN Setup: Route
  98
- Table 8-1 WAN Setup: Route
  98
- Figure 8-2 Ethernet Encapsulation
  99
- Table 8-2 Ethernet Encapsulation
  99
- Figure 8-3 Pppoe Encapsulation
  101
- Table 8-3 Pppoe Encapsulation
  101
- Figure 8-4 PPTP Encapsulation
  103
- Table 8-4 PPTP Encapsulation
  103
- Configuring WAN IP
  104
- Figure 8-5 IP Setup
  105
- Table 8-5 IP Setup
  105
- Configuring WAN MAC
  107
- Traffic Redirect
  108
- Figure 8-6 MAC Setup
  108
- Figure 8-7 Traffic Redirect WAN Setup
  108
- Configuring Traffic Redirect
  109
- Figure 8-8 Traffic Redirect LAN Setup
  109
- Figure 8-9 Traffic Redirect
  110
- Table 8-6 Traffic Redirect
  110
- Configuring Dial Backup
  111
- Figure 8-10 Dial Backup Setup
  112
- Table 8-7Dial Backup Setup
  113
- Advanced Modem Setup
  116
- Configuring Advanced Modem Setup
  117
- Figure 8-11 Advanced Setup
  117
- Table 8-8 Advanced Setup
  118
- NAT and Static Route
  121
Chapter 9 Network Address Translation (NAT) Screens

123
- NAT Overview
  123
  - How Nat Works
    124
  - Table 9-2 NAT Table Example
    124
  - What Nat Does
    124
- Figure 9-1 How NAT Works
  125
- Figure 9-2 NAT Application with IP Alias
  126
- Using NAT
  127
- Table 9-3 NAT Mapping Types
  127
- SUA Server
  128
- Table 9-4 Services and Port Numbers
  128
- Configuring SUA Server
  130
- Figure 9-3 Multiple Servers Behind NAT Example
  130
- Figure 9-4 SUA Server
  131
- Table 9-5 SUA Server
  131
- Configuring Address Mapping
  132
- Table 9-6 Address Mapping
  133
- Figure 9-6Address Mapping Edit
  134
- Table 9-7 Address Mapping Edit
  134
- Trigger Port Forwarding
  135
- Configuring Trigger Port Forwarding
  136
- Figure 9-7 Trigger Port Forwarding Process: Example
  136
- Figure 9-8 Trigger Port
  137
- Table 9-8 Trigger Port
  137
Chapter 10 Static Route Screens

139
- Static Route Overview
  139
- Configuring IP Static Route
  139
- Figure 10-1 Example of Static Routing Topology
  139
- Figure 10-2 IP Static Route
  140
- Table 10-1 IP Static Route
  140
- Figure 10-3 Edit IP Static Route
  141
- Table 10-2 Edit IP Static Route
  141
- Firewall and Content Filtering
  143
Chapter 11 Firewalls

145
- Firewall Overview
  145
- Types of Firewalls
  145
- Introduction to Zyxel's Firewall
  146
- Denial of Service
  147
- Figure 11-1 Zywall Firewall Application
  147
- Figure 18-20 FTP
  148
- Figure 18-23 DNS
  148
- Table 11-1 Common IP Ports
  148
- Types of Dos Attacks
  148
- Figure 11-2 Three-Way Handshake
  149
- Figure 11-3 SYN Flood
  149
- Figure 11-4 Smurf Attack
  150
- Table 11-2 ICMP Commands that Trigger Alerts
  150
- Stateful Inspection
  151
  - Table 11-3 Legal Netbios Commands
    151
  - Table 11-4 Legal SMTP Commands
    151
  - Figure 11-5 Stateful Inspection
    152
  - Stateful Inspection and the Zywall
    153
  - Tcp Security
    154
- Guidelines for Enhancing Security with Your Firewall
  155
- Packet Filtering Vs Firewall
  156
Chapter 12 Firewall Screens

159
- Access Methods
  159
- Firewall Policies Overview
  159
- Rule Logic Overview
  160
  - Security Ramifications
    161
  - Key Fields for Configuring Rules
    161
- Connection Direction Examples
  162
- Figure 12-1 LAN to WAN Traffic
  162
- Bandwidth Management - Lite
  163
- Bandwidth Management Usage Examples
  163
- Figure 12-2 WAN to LAN Traffic
  163
- Figure 12-3 Application-Based Bandwidth Management Example
  164
- Figure 12-4 Subnet-Based Bandwidth Management Example
  164
- Table 12-1 Application and Subnet-Based Bandwidth Management Example
  164
- Alerts
  165
- Configuring Firewall
  165
- Figure 12-5 Application and Subnet-Based Bandwidth Management Example
  165
- Figure 12-6 Firewall Summary
  166
- Table 12-2 Firewall Summary
  166
- Configuring Firewall Rules
  168
- Figure 12-7 Firewall Edit Rule
  169
- Table 12-3 Firewall Edit Rule
  169
- Figure 12-8 Source and Destination Addresses Add/Edit
  172
- Table 12-4 Source and Destination Addresses Add/Edit
  172
- Figure 12-9 Custom Port Create/Edit
  173
- Table 12-5 Custom Port Create/Edit
  173
- Figure 12-10 BM Global Setting
  174
- Table 12-6 BM Global Setting
  174
- Example Firewall Rule
  175
- Figure 12-11 Firewall Edit Rule Screen
  176
- Figure 12-12 Firewall Rule Edit IP Example
  176
- Figure 12-13 Edit Custom Port Example
  177
- Figure 12-14 My Service Rule Configuration
  178
- Predefined Services
  179
- Figure 12-15 My Service Example Rule Summary
  179
- Table 12-7 Predefined Services
  180
- Configuring Attack Alert
  182
- Figure 12-16 Attack Alert
  184
- Table 12-8 Attack Alert
  184
Chapter 13 Content Filtering Screens

187
Chapter 14 Introduction to Ipsec

205
- VPN Overview
  205
- Ipsec Architecture
  206
- Figure 14-1 Encryption and Decryption
  206
- Encapsulation
  207
- Figure 14-2 Ipsec Architecture
  207
- Ipsec and NAT
  208
- Figure 14-3 Transport and Tunnel Mode Ipsec Encapsulation
  208
- Table 14-1 VPN and NAT
  209
Chapter 15 VPN Screens

211
- Vpn/Ipsec Overview
  211
- Ipsec Algorithms
  211
- My IP Address
  212
- Secure Gateway Address
  212
- Table 15-1 AH and ESP
  212
- VPN Rules Screen
  213
- Figure 15-1 Ipsec VPN Rules Fields
  213
- Figure 15-2 VPN Rules
  214
- Table 15-2 VPN Rules
  214
- Keep Alive
  216
- NAT Traversal
  216
- Figure 15-3 NAT Router between Ipsec Routers
  216
- ID Type and Content
  218
- Figure 15-4 VPN Host Using Intranet DNS Server Example
  218
- Table 15-3 Local ID Type and Content Fields
  219
- Table 15-4 Peer ID Type and Content Fields
  219
- Table 15-5 Matching ID Type and Content Configuration Example
  219
- Pre-Shared Key
  220
- Certificates
  220
- Editing VPN Policies
  220
- Table 15-6 Mismatching ID Type and Content Configuration Example
  220
- Figure 15-5 VPN IKE
  221
- Table 15-7 VPN IKE
  222
- IKE Phases
  229
- Figure 15-6 Two Phases to Set up the Ipsec SA
  229
- Negotiation Mode
  230
- Configuring Advanced IKE Settings
  231
- Figure 15-7 VPN IKE: Advanced
  231
- Table 15-8 VPN IKE: Advanced
  232
- Manual Key Setup
  234
- Configuring Manual Key
  234
- Figure 15-8 VPN Manual Key
  235
- Table 15-9 VPN Manual Key
  235
- Viewing SA Monitor
  238
- Figure 15-9 SA Monitor (Zywall 100)
  239
- Table 15-10 SA Monitor
  239
- Configuring Global Setting
  240
- Figure 15-10 Global Setting
  240
- Table 15-11 Global Setting
  240
- Telecommuter Vpn/Ipsec Examples
  241
- Figure 15-11 Telecommuters Sharing One VPN Rule Example
  241
- Table 15-12 Telecommuters Sharing One VPN Rule Example
  241
- Figure 15-12 Telecommuters Using Unique VPN Rules Example
  242
- Table 15-13 Telecommuters Using Unique VPN Rules Example
  243
- VPN and Remote Management
  244
- Certificates
  245

ZyXEL Communications ZyXEL ZyWALL 30W User Manual (536 pages)

Zyxel ZyWall Internet Security Gateway

Brand: ZyXEL Communications | Category: Gateway | Size: 11.39 MB

Copyright
2
Information for Canadian Users
4
Zyxel Limited Warranty
5
Customer Support
6
Table of Contents
7
List of Figures
18
Preface
29
- Related Documentation
  29
- Syntax Conventions
  30
Getting Started
31
Chapter 1 Getting to Know Your Zywall

33
- Zywall Internet Security Gateway Overview
  33
- Zywall Features
  34
  - Pptp Encapsulation
    36
  - Dynamic Dns Support
    36
  - Traffic Redirect
    37
  - Port Forwarding
    37
- Table 1-1 Model Specific Features
  38
- Figure 6-3 Wireless
  39
- Figure 7-1 DMZ
  39
- Table 6-1 Wireless
  39
- Applications for the Zywall
  40
- Figure 1-1 Secure Internet Access Via Cable, DSL or Wireless Modem
  41
- Figure 1-2 VPN Application
  42
Chapter 2 Introducing the Web Configurator

43
Chapter 3 Wizard Setup

47
Chapter 4 System Screens

61
- System Overview
  61
- Configuring General Setup
  61
- Figure 4-1 System General Setup
  61
- Table 4-1 System General Setup
  61
- Dynamic DNS
  62
- Configuring Dynamic DNS
  62
- Figure 4-2 DDNS
  63
- Table 4-2 DDNS
  63
- Configuring Password
  64
- Figure 4-3 Password
  64
- Configuring Time Zone
  65
- Figure 4-4 Time Zone
  65
- Table 4-3 Password
  65
- Table 4-4 Time Zone
  66
Chapter 5 LAN Screens

69
- LAN Overview
  69
- DHCP Setup
  69
- Lan Tcp/Ip
  69
- Rip Setup
  70
- Configuring IP
  71
- Figure 5-1 IP
  71
- Table 5-1 IP
  72
- Configuring Static DHCP
  73
- Configuring IP Alias
  74
- Figure 5-2 Static DHCP
  74
- Table 5-2 Static DHCP
  74
- Figure 5-3 IP Alias
  75
- Table 5-3 IP Alias
  75
Chapter 6 Wireless LAN Screens

77
- Wireless LAN Overview
  77
- Wireless LAN Basics
  77
- Figure 6-1 RTS Threshold
  78
- Wireless Security
  79
- Figure 6-2 Zywall Wireless Security Levels
  79
- Configuring Wireless LAN
  80
- Configuring MAC Filter
  82
- Figure 6-4 MAC Address Filter
  83
- Table 6-2 MAC Address Filter
  83
- Overview
  84
- Radius
  84
- Figure 6-5 EAP Authentication
  85
- Local User Database
  86
- Configuring 802.1X
  86
- Figure 6-6 802.1X Authentication
  86
- Configuring Local User Database
  87
- Table 6-3 802.1X Authentication
  87
- Figure 6-7 Local User Database
  88
- Configuring RADIUS
  89
- Figure 6-8 RADIUS
  89
- Table 6-4 Local User Database
  89
- Table 6-5 RADIUS
  90
- DMZ and WAN
  91
Chapter 7 DMZ Screens

93
- DMZ Overview
  93
- Configuring DMZ
  93
- Table 7-1 DMZ
  95
Chapter 8 WAN Screens

97
- WAN Overview
  97
- TCP/IP Priority (Metric)
  97
- Configuring Route
  97
- Configuring WAN ISP
  98
- Figure 8-1 WAN Setup: Route
  98
- Table 8-1 WAN Setup: Route
  98
- Figure 8-2 Ethernet Encapsulation
  99
- Table 8-2 Ethernet Encapsulation
  99
- Figure 8-3 Pppoe Encapsulation
  101
- Table 8-3 Pppoe Encapsulation
  101
- Figure 8-4 PPTP Encapsulation
  103
- Table 8-4 PPTP Encapsulation
  103
- Service Type
  104
- Figure 8-5 RR Service Type
  105
- Table 8-5 RR Service Type
  105
- Configuring WAN IP
  106
- Figure 8-6 IP Setup
  106
- Table 8-6 IP Setup
  107
- Configuring WAN MAC
  109
- Figure 8-7 MAC Setup
  109
- Traffic Redirect
  110
- Figure 8-8 Traffic Redirect WAN Setup
  110
- Figure 8-9 Traffic Redirect LAN Setup
  110
- Configuring Traffic Redirect
  111
- Figure 8-10 Traffic Redirect
  111
- Table 8-7 Traffic Redirect
  111
- Configuring Dial Backup
  112
- Figure 8-11 Dial Backup Setup
  113
- Table 8-8Dial Backup Setup
  114
- Advanced Modem Setup
  117
- Configuring Advanced Modem Setup
  117
- Figure 8-12 Advanced Setup
  118
- Table 8-9 Advanced Setup
  118
- NAT and Static Route
  121
Chapter 9 Network Address Translation (NAT) Screens

123
- NAT Overview
  123
  - What Nat Does
    124
  - How Nat Works
    124
- Figure 9-1 How NAT Works
  125
- Figure 9-2 NAT Application with IP Alias
  126
- Table 9-2 NAT Mapping Types
  127
- Using NAT
  128
- SUA Server
  128
- Table 9-3 Services and Port Numbers
  129
- Configuring SUA Server
  130
- Figure 9-3 Multiple Servers Behind NAT Example
  130
- Figure 9-4 SUA/NAT Setup
  131
- Table 9-4 SUA/NAT Setup
  131
- Configuring Address Mapping
  132
- Figure 9-5 Address Mapping
  133
- Table 9-5 Address Mapping
  133
- Figure 9-6Address Mapping Edit
  134
- Configuring Trigger Port
  135
- Table 9-6 Address Mapping Edit
  135
- Figure 9-7 Trigger Port
  137
- Table 9-7 Trigger Port
  137
Chapter 10 Static Route Screens

139
- Static Route Overview
  139
- Configuring IP Static Route
  139
- Figure 10-1 Example of Static Routing Topology
  139
- Table 10-1 IP Static Route Summary
  139
- Figure 10-2 Edit IP Static Route
  140
- Table 10-2 Edit IP Static Route
  141
- Firewall and Content Filters
  143
Chapter 11 Firewalls

145
- Firewall Overview
  145
- Types of Firewalls
  145
- Introduction to Zyxel's Firewall
  146
- Denial of Service
  147
- Figure 11-1 Zywall Firewall Application
  147
- Table 11-1 Common IP Ports
  148
- Figure 11-2 Three-Way Handshake
  149
- Figure 11-3 SYN Flood
  149
- Figure 11-4 Smurf Attack
  150
- Table 11-2 ICMP Commands that Trigger Alerts
  150
- Stateful Inspection
  151
  - Table 11-3 Legal Netbios Commands
    151
  - Table 11-4 Legal SMTP Commands
    151
  - Figure 11-5 Stateful Inspection
    152
  - Stateful Inspection and the Zywall
    153
  - Tcp Security
    154
- Guidelines for Enhancing Security with Your Firewall
  155
- Packet Filtering Vs Firewall
  156
Chapter 12 Firewall Screens

159
Chapter 13 Content Filtering Screens

183
- Content Filtering Overview
  183
- Configuring Categories
  183
- Figure 13-1Content Filter: Categories
  184
- Table 13-1 Content Filter: Categories
  184
- Configuring Free
  187
- Figure 13-2 Content Filter: Free
  188
- Table 13-2 Content Filter: Free
  188
- Configuring Icard
  189
- Figure 13-3 Content Filter: Icard
  189
- Table 13-3 Content Filter: Icard
  189
- Configuring List Update
  190
- Figure 13-4 Content Filter: List Update
  190
- Configuring Exempt Computers
  191
- Table 13-4 Content Filter: List Update
  191
- Figure 13-5 Content Filter: Exempt Zone
  192
- Table 13-5 Content Filter: Exempt Zone
  192
- Configuring Customize
  193
- Figure 13-6 Content Filter: Customize
  194
- Table 13-6 Content Filter: Customize
  194
- Configuring Keyword Blocking
  196
- Figure 13-7 Content Filter: Keyword Blocking
  196
- Table 13-7 Content Filter: Keyword Blocking
  196
- Vpn/Ipsec
  199
Chapter 14 Introduction to Ipsec

201
- VPN Overview
  201
- Figure 14-1 Encryption and Decryption
  202
- Ipsec Architecture
  203
- Figure 14-2 VPN Application
  203
- Figure 14-3 Ipsec Architecture
  204
- Encapsulation
  205
- Ipsec and NAT
  205
- Figure 14-4 Transport and Tunnel Mode Ipsec Encapsulation
  205
- Table 14-1 VPN and NAT
  206

ZyXEL Communications ZyXEL ZyWALL 30W Quick Start Manual (12 pages)

Internet Security Gateway

Brand: ZyXEL Communications | Category: Gateway | Size: 0.73 MB

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Chapter 8 WAN Screens

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Chapter 7 DMZ Screens

Chapter 8 WAN Screens

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