ZyXEL Communications P-660HW-T V2 - VERSION 3.40

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P-660HW-T v2 User’s Guide

136 Chapter 8 Network Address Translation (NAT) Screens

Edit Details Click this link to go to the Port Forwarding screen to edit a server mapping set that

you have selected in the Server Mapping Set field.

Back Click Back to return to the previous screen.

Apply Click Apply to save your changes to the ZyXEL Device.

Cancel Click Cancel to begin configuring this screen afresh.

Table 47 Edit Address Mapping Rule (continued)

LABEL DESCRIPTION

Main Page

Default Chapter3
- Copyright3
- Certifications4
- Safety Warnings6
- Zyxel Limited Warranty8
- Customer Support9
- Table of Contents11
- List of Figures21
- List of Tables27
- Preface31
Chapter 1 Getting to Know Your Zyxel Device33
- Features33
- Getting to Know Your Zyxel Device33
- Introducing the Zyxel Device33
- Applications for the Zyxel Device37
  - Protected Internet Access37
  - LAN to LAN Application38
- Figure 1 Protected Internet Access Applications38
- Figure 2 LAN-To-LAN Application Example38
- Figure 3 Front Panel38
- Front Panel Leds38
- Hardware Connection39
- Table 2 Front Panel Leds39
Chapter 2 Introducing the Web Configurator41
- Web Configurator Overview41
- Accessing the Web Configurator41
- Figure 4 Password Screen42
- Figure 5 Change Password at Login42
- Resetting the Zyxel Device43
  - Using the Reset Button43
- Navigating the Web Configurator43
Chapter 3 Wizard Setup for Internet Access55
- Introduction55
- Internet Access Wizard Setup55
- Wireless Connection Wizard Setup62
Chapter 4 Bandwidth Management Wizard69
- Introduction69
- Predefined Media Bandwidth Management Services69
- Table 17 Media Bandwidth Management Setup: Services69
- Bandwidth Management Wizard Setup70
- Figure 33 Select a Mode70
- Figure 34 Wizard: Welcome71
- Figure 35 Bandwidth Management Wizard: General Information71
- Table 18 Bandwidth Management Wizard: General Information71
- Figure 36 Bandwidth Management Wizard: Configuration72
- Table 19 Bandwidth Management Wizard: Configuration72
- Figure 37 Bandwidth Management Wizard: Complete73
Chapter 5 WAN Setup75
- WAN Overview75
- Metric78
- Traffic Shaping79
  - Figure 38 Example of Traffic Shaping79
  - ATM Traffic Classes80
- Zero Configuration Internet Access80
- Internet Connection81
- Configuring more Connections84
- Traffic Redirect89
- Figure 44 Traffic Redirect Example89
- Configuring WAN Backup90
- Figure 45 Traffic Redirect LAN Setup90
- Figure 46 WAN Backup Setup90
- Table 25 WAN Backup Setup91
Chapter 6 Wireless LAN93
- Wireless Network Overview93
- Figure 47 Example of a Wireless Network93
- Wireless Security Overview94
- Wireless Performance Overview96
- General Wireless LAN Screen96
- Otist105
- MAC Filter108
- Figure 59 no AP with OTIST Found108
- Figure 60 Start OTIST108
- Figure 61 MAC Address Filter109
- Table 34 MAC Address Filter109
Chapter 7 LAN Setup111
- LAN Overview111
- Lan Tcp/Ip113
- Configuring LAN IP117
- DHCP Setup119
- Figure 66 DHCP Setup119
- Table 37 DHCP Setup119
- LAN Client List120
- Figure 67 LAN Client List120
- LAN IP Alias121
- Table 38 LAN Client List121
- Figure 68 Physical Network & Partitioned Logical Networks122
- Figure 69 LAN IP Alias122
- Table 39 LAN IP Alias122
Chapter 8 Network Address Translation (NAT) Screens125
- NAT Overview125
- SUA (Single User Account) Versus NAT128
- NAT General Setup128
- Table 41 NAT Mapping Types128
- Port Forwarding129
- Configuring Port Forwarding131
- Address Mapping133
Chapter 9 Firewalls137
- Firewall Overview137
- Types of Firewalls137
- Introduction to Zyxel's Firewall138
  - Denial of Service Attacks139
- Denial of Service139
- Stateful Inspection143
- Guidelines for Enhancing Security with Your Firewall146
  - Security in General146
- Packet Filtering Vs Firewall147
  - Packet Filtering147
    - When to Use Filtering148
  - Firewall148
    - When to Use the Firewall148
Chapter 10 Firewall Configuration149
- Access Methods149
- Firewall Policies Overview149
- Rule Logic Overview150
  - Rule Checklist150
  - Security Ramifications150
  - Key Fields for Configuring Rules151
- Connection Direction151
  - LAN to WAN Rules152
  - Alerts152
- General Firewall Policy152
- Figure 83 Firewall: General152
- Firewall Rules Summary153
  - Table 52 Firewall: General153
  - Figure 84 Firewall Rules154
  - Table 53 Firewall Rules154
  - Configuring Firewall Rules155
  - Figure 85 Firewall: Edit Rule156
  - Table 54 Firewall: Edit Rule157
  - Customized Services158
  - Figure 86 Firewall: Customized Services158
  - Table 55 Customized Services158
  - Configuring a Customized Service159
- Example Firewall Rule159
- Figure 87 Firewall: Configure Customized Services159
- Table 56 Firewall: Configure Customized Services159
- Figure 88 Firewall Example: Rules160
- Figure 89 Edit Custom Port Example160
- Figure 90 Firewall Example: Edit Rule: Destination Address161
- Figure 91 Firewall Example: Edit Rule: Select Customized Services162
- Predefined Services163
- Figure 92 Firewall Example: Rules: Myservice163
- Table 57 Predefined Services163
- Anti-Probing165
- Figure 93 Firewall: Anti Probing165
- Dos Thresholds166
  - Threshold Values166
  - Table 58 Firewall: Anti Probing166
  - Half-Open Sessions167
    - TCP Maximum Incomplete and Blocking Time167
  - Configuring Firewall Thresholds168
  - Figure 94 Firewall: Threshold168
  - Table 59 Firewall: Threshold168
- Firewall Configuration149
Chapter 11 Content Filtering171
- Content Filtering Overview171
- Configuring Keyword Blocking171
- Figure 95 Content Filter: Keyword171
- Configuring the Schedule172
- Figure 96 Content Filter: Schedule172
- Table 60 Content Filter: Keyword172
- Configuring Trusted Computers173
- Figure 97 Content Filter: Trusted173
- Table 61 Content Filter: Schedule173
- Table 62 Content Filter: Trusted173
Chapter 12 Static Route175
- Static Route175
- Configuring Static Route175
Chapter 13 Bandwidth Management179
- Bandwidth Management Overview179
- Application-Based Bandwidth Management179
- Subnet-Based Bandwidth Management179
- Application and Subnet-Based Bandwidth Management180
- Scheduler180
- Maximize Bandwidth Usage181
- Over Allotment of Bandwidth184
- Configuring Summary184
- Figure 102 Bandwidth Management: Summary184
- Table 70 over Allotment of Bandwidth Example184
- Bandwidth Management Rule Setup185
- Bandwidth Monitor189
- Figure 105 Bandwidth Management: Monitor189
- Table 74 Services and Port Numbers189
Chapter 14 Dynamic DNS Setup191
- Dynamic DNS Overview191
  - DYNDNS Wildcard191
- Configuring Dynamic DNS191
- Figure 106 Dynamic DNS192
- Table 75 Dynamic DNS192
Chapter 15 Remote Management Configuration195
- Remote Management Overview195
  - Remote Management Limitations195
  - Remote Management and NAT196
  - System Timeout196
- Www196
- Figure 107 Remote Management: WWW196
- Telnet197
- Configuring Telnet197
- Figure 108 Telnet Configuration on a TCP/IP Network197
- Table 76 Remote Management: WWW197
- Configuring FTP198
- Figure 109 Remote Management: Telnet198
- Table 77 Remote Management: Telnet198
- Snmp199
  - Figure 110 Remote Management: FTP199
  - Table 78 Remote Management: FTP199
  - Figure 111 SNMP Management Model200
  - Supported Mibs200
  - Configuring SNMP201
  - Figure 112 Remote Management: SNMP201
  - SNMP Traps201
  - Table 79 SNMP Traps201
- Configuring DNS202
- Table 80 Remote Management: SNMP202
- Configuring ICMP203
- Figure 113 Remote Management: DNS203
- Table 81 Remote Management: DNS203
- 204204
- Figure 114 Remote Management: ICMP204
- Table 82 Remote Management: ICMP204
- Figure 115 Enabling TR-069205
- Table 83 TR-069 Commands205
Chapter 16 Universal Plug-And-Play (Upnp)207
- Introducing Universal Plug and Play207
- Upnp and Zyxel208
  - Configuring Upnp208
  - Figure 116 Configuring Upnp208
- Installing Upnp in Windows Example209
- Using Upnp in Windows XP Example212
Chapter 17 System219
- General Setup219
- Time Setting221
- Figure 132 System Time Setting221
- Table 86 System Time Setting222
Chapter 18 Logs225
- Logs Overview225
  - Alerts and Logs225
- Viewing the Logs225
- Configuring Log Settings226
  - Figure 133 View Log226
  - Table 87 View Log226
  - Figure 134 Log Settings227
  - Table 88 Log Settings227
  - Example E-Mail Log228
- Log Descriptions229
- Figure 135 E-Mail Log Example229
- Table 89 System Maintenance Logs229
- Table 90 System Error Logs230
- Table 91 Access Control Logs231
- Table 92 TCP Reset Logs231
- Table 93 Packet Filter Logs232
- Table 94 ICMP Logs232
- Table 95 CDR Logs233
- Table 96 PPP Logs233
- Table 97 Upnp Logs233
- Table 98 Content Filtering Logs233
- Table 99 Attack Logs234
- Table 100 Ipsec Logs235
- Table 101 IKE Logs236
- Table 102 PKI Logs238
- Table 103 Certificate Path Verification Failure Reason Codes239
- Table 104 802.1X Logs240
- Table 105 ACL Setting Notes241
- Table 106 ICMP Notes242
- Table 107 Syslog Logs243
- Table 108 RFC-2408 ISAKMP Payload Types243
Chapter 19 Tools245
- Firmware Upgrade245
- Figure 136 Firmware Upgrade245
- Table 109 Firmware Upgrade245
- Figure 137 Firmware Upload in Progress246
- Figure 138 Network Temporarily Disconnected246
- Configuration Screen247
- Restart249
- Figure 143 Configuration Restore Error249
- Figure 144 Restart Screen249
Chapter 20 Diagnostic251
- General Diagnostic251
- Figure 145 Diagnostic: General251
- Table 111 Diagnostic: General251
- DSL Line Diagnostic252
- Figure 146 Diagnostic: DSL Line252
- Table 112 Diagnostic: DSL Line252
Chapter 21 Troubleshooting253
- Problems Starting up the Zyxel Device253
- Problems with the LAN253
- Table 113 Troubleshooting Starting up Your Zyxel Device253
- Table 114 Troubleshooting the LAN253
- Problems with the WAN254
- Table 115 Troubleshooting the WAN254
- Problems Accessing the Zyxel Device255
- Table 116 Troubleshooting Accessing the Zyxel Device255
Appendix A Product Specifications257
- Product Specifications257
- Table 117 Device Specifications257
- Table 118 Firmware258
Appendix B about ADSL261
- Introduction to DSL261
- ADSL Overview261
- Advantages of ADSL261
Appendix C Internal SPTGEN263
- Internal SPTGEN Overview263
- The Configuration Text File Format263
- Figure 147 Configuration Text File Format: Column Descriptions263
- Internal SPTGEN FTP Download Example264
- Figure 148 Invalid Parameter Entered: Command Line Example264
- Figure 149 Valid Parameter Entered: Command Line Example264
- Internal SPTGEN FTP Upload Example265
- Figure 150 Internal SPTGEN FTP Download Example265
- Figure 151 Internal SPTGEN FTP Upload Example265
- Example Internal SPTGEN Menus266
- Table 119 Abbreviations Used in the Example Internal SPTGEN Screens Table266
- Table 120 Menu 1 General Setup266
- Table 121 Menu 3266
- Table 122 Menu 4 Internet Access Setup270
- Table 123 Menu 12271
- Table 124 Menu 15 SUA Server Setup272
- Table 125 Menu 21.1 Filter Set #1273
- Table 126 Menu 21.1 Filer Set #2275
- Table 127 Menu 23 System Menus276
- Table 128 Menu 24.11 Remote Management Control277
- Command Examples278
- Table 129 Command Examples278
Appendix D279
- Figure 152 Wall-Mounting Example279
- Wall-Mounting Instructions279
Appendix E Setting up Your Computer's IP Address281
- Windows 95/98/Me281
- Figure 153 Windows 95/98/Me: Network: Configuration282
- Figure 154 Windows 95/98/Me: TCP/IP Properties: IP Address283
- Windows 2000/NT/XP284
- Figure 155 Windows 95/98/Me: TCP/IP Properties: DNS Configuration284
- Figure 156 Windows XP: Start Menu285
- Figure 157 Windows XP: Control Panel285
- Figure 158 Windows XP: Control Panel: Network Connections: Properties286
- Figure 159 Windows XP: Local Area Connection Properties286
- Figure 160 Windows XP: Internet Protocol (TCP/IP) Properties287
- Figure 161 Windows XP: Advanced TCP/IP Properties288
- Macintosh os 8/9289
- Figure 162 Windows XP: Internet Protocol (TCP/IP) Properties289
- Figure 163 Macintosh os 8/9: Apple Menu290
- Figure 164 Macintosh os 8/9: TCP/IP290
- Macintosh os X291
- Figure 165 Macintosh os X: Apple Menu291
- Linux292
- Figure 166 Macintosh os X: Network292
- Figure 167 Red hat 9.0: KDE: Network Configuration: Devices293
- Figure 168 Red hat 9.0: KDE: Ethernet Device: General293
- Figure 169 Red hat 9.0: KDE: Network Configuration: DNS294
- Figure 170 Red hat 9.0: KDE: Network Configuration: Activate294
- Figure 171 Red hat 9.0: Dynamic IP Address Setting in Ifconfig-Eth0295
- Figure 172 Red hat 9.0: Static IP Address Setting in Ifconfig-Eth0295
- Figure 173 Red hat 9.0: DNS Settings in Resolv.conf295
- Figure 174 Red hat 9.0: Restart Ethernet Card296
- Figure 175 Red hat 9.0: Checking TCP/IP Properties296
Appendix Fip Subnetting297
- Introduction to IP Addresses297
- Table 130 Classes of IP Addresses297
- Subnet Masks298
- Table 131 Allowed IP Address Range by Class298
- Table 132 "Natural" Masks298
- Subnetting299
- Table 133 Alternative Subnet Mask Notation299
- Example: Two Subnets300
- Table 134 Two Subnets Example300
- Table 135 Subnet 1300
- Table 136 Subnet 2300
- Example: Four Subnets301
- Table 137 Subnet 1301
- Table 138 Subnet 2301
- Example Eight Subnets302
- Table 139 Subnet 3302
- Table 140 Subnet 4302
- Table 141 Eight Subnets302
- Subnetting with Class a and Class B Networks303
- Table 142 Class C Subnet Planning303
- Table 143 Class B Subnet Planning303
Appendix G Command Interpreter305
- Accessing the CLI305
- Command Syntax305
- Command Usage305
- Log Commands306
- Figure 176 Displaying Log Categories Example306
- Figure 177 Displaying Log Parameters Example306
- Log Command Example307
Appendix H Firewall Commands309
- Table 144 Firewall Commands309
Appendix I Netbios Filter Commands315
- Introduction315
- Display Netbios Filter Settings315
- Netbios Filter Configuration316
- Table 145 Netbios Filter Default Settings316
Appendix J Splitters and Microfilters317
- Connecting a POTS Splitter317
- Telephone Microfilters317
- Figure 178 Connecting a POTS Splitter317
- Figure 179 Connecting a Microfilter318
- Figure 180 Connecting a Microfilter and Y-Connector318
- Zyxel Device with ISDN319
- Figure 181 Zyxel Device with ISDN319
Appendix K Wireless Lans321
- Wireless LAN Topologies321
- Figure 182 Peer-To-Peer Communication in an Ad-Hoc Network321
- Figure 183 Basic Service Set322
- Channel323
- Rts/Cts323
- Figure 184 Infrastructure WLAN323
- Fragmentation Threshold324
- Figure 185 RTS/CTS324
- Preamble Type325
- IEEE 802.11G Wireless LAN325
- Table 146 IEEE 802.11G325
- Wireless Security Overview326
- Radius326
- Table 147 Wireless Security Levels326
- Types of Authentication327
- Dynamic WEP Key Exchange329
- WPA and WPA2329
  - Table 148 Comparison of EAP Authentication Types329
  - Wireless Client Wpa Supplicants331
  - Wpa with Radius Application Example331
- Figure 186 WPA(2) with RADIUS Application Example332
- Figure 187 WPA(2)-PSK Authentication332
- Security Parameters Summary333
- Table 149 Wireless Security Relational Matrix333
Appendix L Pop-Up Windows, Javascripts and Java Permissions335
- Internet Explorer Pop-Up Blockers335
- Figure 188 Pop-Up Blocker335
- Figure 189 Internet Options336
- Figure 190 Internet Options (2)337
- Javascripts338
- Figure 191 Pop-Up Blocker Settings338
- Figure 192 Internet Options (3)339
- Figure 193 Security Settings - Java Scripting340
- Figure 194 Security Settings - Java341
- Figure 195 Java (Sun)342
Appendix M Triangle Route343
- The Ideal Setup343
- The "Triangle Route" Problem343
- Figure 196 Ideal Setup343
- The "Triangle Route" Solutions344
- IP Aliasing344
- Figure 197 "Triangle Route" Problem344
- Figure 198 IP Alias344
- Index345

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