6
AC1200 WiFi DSL Modem Router—Essentials Edition Model D6100
Manage the Activity Log and Syslog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
View the Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Specify Which Activities Are Logged. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Specify a Syslog Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167
View Devices Currently on the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .168
Monitor and Meter Internet Traffic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Start the Traffic Meter Without Traffic Volume Restrictions. . . . . . . . . . . .169
View the Traffic Statistics and Traffic Status . . . . . . . . . . . . . . . . . . . . . . . . .170
Restrict Internet Traffic by Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Restrict Internet Traffic by Connection Time. . . . . . . . . . . . . . . . . . . . . . . . .173
Unblock the Traffic Meter After the Traffic Limit Is Reached . . . . . . . . . . . 174
Manage the Modem Router Remotely. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Configure the Modem Router as a DSL Modem Only . . . . . . . . . . . . . . . . . . . .177
Chapter 9 Manage Firewall Rules, Port Forwarding, and Port Triggering
Manage Outbound Firewall Rules for Services and Applications . . . . . . . . . . .179
Add an Outbound Firewall Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Change an Outbound Firewall Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .181
Change the Priority of an Outbound Firewall Rule. . . . . . . . . . . . . . . . . . . . .182
Disable or Enable an Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . .183
Remove an Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184
Add a Custom Service or Application for Use in an Outbound
Firewall Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Change a Custom Service or Application for Use in an
Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Remove a Custom Service or Application for Use in an
Outbound Firewall Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Manage Port Forwarding to a Local Server for Services and Applications. . .189
Forward Incoming Traffic for a Default Service or Application . . . . . . . . . .189
Add a Port Forwarding Rule with a Custom Service or Application. . . . . . .191
Change a Port Forwarding Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Remove a Port Forwarding Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Application Example: Make a Local Web Server Public. . . . . . . . . . . . . . . . . 194
How the Modem Router Implements the Port Forwarding Rule . . . . . . . . .195
Manage Port Triggering for Services and Applications . . . . . . . . . . . . . . . . . . .195
Add a Port Triggering Rule. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196
Change a Port Triggering Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Remove a Port Triggering Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .199
Specify the Time-Out Period for Port Triggering . . . . . . . . . . . . . . . . . . . . .200
Disable Port Triggering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200
Application Example: Port Triggering for Internet Relay Chat. . . . . . . . . . . 201
Chapter 10 Diagnostics and Troubleshooting
Perform Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Ping an IP Address. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Perform a DNS Lookup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .204
Display the Routing Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205