Operating instructions

vi Contents
Connecting the DG834 to Your LAN ...............................................................................3-5
How to Connect the Router ......................................................................................3-5
Auto-Detecting Your Internet Connection Type ..............................................................3-9
Wizard-Detected PPPoE Login Account Setup ......................................................3-11
Wizard-Detected PPPoA Login Account Setup ......................................................3-11
Wizard-Detected Dynamic IP Account Setup .........................................................3-12
Wizard-Detected IP Over ATM Account Setup ......................................................3-12
Wizard-Detected Fixed IP (Static) Account Setup ..................................................3-13
Testing Your Internet Connection ..................................................................................3-14
Manually Configuring Your Internet Connection ...........................................................3-15
How to Perform Manual Configuration ...................................................................3-16
Internet Connection Requires Login and Uses PPPoE ...................................3-16
Internet Connection Requires Login and Uses PPPoA ...................................3-17
Internet Connection Does Note Require A Login ............................................3-18
ADSL Settings ........................................................................................................3-19
Chapter 4
Protecting Your Network
Protecting Access to Your DG834 ADSL Firewall Router ...............................................4-1
How to Change the Built-In Password .....................................................................4-1
Changing the Administrator Login Timeout ..............................................................4-2
Configuring Basic Firewall Services ...............................................................................4-2
Blocking Keywords, Sites, and Services ..................................................................4-3
How to Block Keywords and Sites ...........................................................................4-3
Firewall Rules .................................................................................................................4-5
Inbound Rules (Port Forwarding) .............................................................................4-6
Inbound Rule Example: A Local Public Web Server ..........................................4-7
Inbound Rule Example: Allowing Videoconferencing ........................................4-8
Considerations for Inbound Rules .....................................................................4-9
Outbound Rules (Service Blocking) .........................................................................4-9
Outbound Rule Example: Blocking Instant Messenger ...................................4-10
Order of Precedence for Rules ..............................................................................4-12
Services ........................................................................................................................4-12
How to Define Services ..........................................................................................4-13
Setting Times and Scheduling Firewall Services ..........................................................4-14
How to Set Your Time Zone ...................................................................................4-14