Contents
vii
202-10006-05, June 2005
Chapter 5
Protecting Your Network
Protecting Access to Your DG834G Wireless ADSL Firewall Router
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5-1
How to Change the Built-In Password
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5-1
Changing the Administrator Login Timeout
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5-2
Configuring Basic Firewall Services
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5-2
Blocking Keywords, Sites, and Services
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5-3
How to Block Keywords and Sites
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5-3
Firewall Rules
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5-5
Inbound Rules (Port Forwarding)
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5-6
Inbound Rule Example: A Local Public Web Server
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5-6
Inbound Rule Example: Allowing Videoconferencing
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5-8
Considerations for Inbound Rules
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5-8
Outbound Rules (Service Blocking)
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5-9
Outbound Rule Example: Blocking Instant Messenger
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5-9
Order of Precedence for Rules
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5-11
Services
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5-12
How to Define Services
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5-12
Setting Times and Scheduling Firewall Services
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5-13
How to Set Your Time Zone
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5-13
How to Schedule Firewall Services
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5-14
Chapter 6
Managing Your Network
Backing Up, Restoring, or Erasing Your Settings
...........................................................
6-1
How to Back Up the Configuration to a File
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6-1
How to Restore the Configuration from a File
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6-2
How to Erase the Configuration
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6-2
Upgrading the Router’s Firmware
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6-2
How to Upgrade the Router Firmware
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6-3
Network Management Information
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6-4
Viewing Router Status and Usage Statistics
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6-4
Viewing Attached Devices
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6-9
Viewing, Selecting, and Saving Logged Information
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6-9
Selecting What Information to Log
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6-11
Saving Log Files on a Server
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6-12