Contents vii
202-10006-01
Changing the Administrator Login Timeout .............................................................. 5-2
Configuring Basic Firewall Services ................... ............................................................5-2
Blocking Keywords, Sites, and Services .................................................................. 5-3
How to Block Keywords and Sites ...........................................................................5-3
Firewall Rules ........................................................... ......................................................5-5
Inbound Rules (Port Forwarding) .............................................................................5-6
Inbound Rule Example: A Local Public Web Server ..........................................5-7
Inbound Rule Example: Allowing Videoconferencing ........................................5-8
Considerations for Inbound Rules .....................................................................5-9
Outbound Rules (Service Blocking) ................................ .........................................5-9
Outbound Rule Example: Blocking Instant Messenger ................... ................5-10
Order of Precedence for Rules .............................................................................. 5-11
Services ........................................................................................................................ 5-12
How to Define Services .......................................................................................... 5-12
Setting Times and Scheduling Firewall Services ..........................................................5-13
How to Set Your Time Zone ................................................................................... 5-13
How to Schedule Firewall Services ........................................................................ 5-15
Chapter 6
Managing Your Network
Backing Up, Restoring, or Erasing Your Settings ........................................................... 6-1
How to Back Up the Configuration to a File .............................................................6-1
How to Restore the Configuration from a File ..........................................................6-2
How to Erase the Configuration ............................. ..................................................6-2
Upgrading the Router’s Firmware ...................................................................................6-2
How to Upgrade the Router Firmware .....................................................................6-3
Network Management Information .................................................................................6-4
Viewing Router Status and Usage Statistics ............................................................ 6-4
Viewing Attached Devices ........................................................................................6-9
Viewing, Selecting, and Saving Logged Information ..............................................6-10
Selecting What Information to Log .................................................................. 6-11
Saving Log Files on a Server ..........................................................................6-12
Examples of Log Messages ...................................................................... .............6-12
Activation and Administration ............. .............................................................6-12
Dropped Packets .......................................................... ...................................6-12
Enabling Security Event E-mail Notification .................................................................6-13