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Reference Manual for the Model DG824M Wireless ADSL Modem Gateway
Protecting Your Network 4-3
Configuring Basic Firewall Services
Basic firewall services you can configure include access blocking and scheduling of firewall
security. These topics are presented below.
Blocking Keywords, Sites, and Services
The gateway provides a variety of options for blocking Internet based content and
communications services.
With its content filtering feature, the DG824M gateway prevents
objectionable content from reaching your PCs. The Model RT311 router allows you to control
access to Internet content by screening for keywords within Web addresses. Key content filtering
options include:
• Blocks access from your LAN to Internet locations that you specify as off-limits.
• Keyword blocking of newsgroup names.
• Outbound Services Blocking limits access from your LAN to Internet locations or services
that you specify as off-limits.
• Denial of Service (DoS) protection. Automatically detects and thwarts Denial of Service
(DoS) attacks such as Ping of Death, SYN Flood, LAND Attack and IP Spoofing.
• Blocks unwanted traffic from the Internet to your LAN.
The section below explains how to configure your
gateway to perform these functions.
Procedure 4-2: Block Keywords and Sites
The DG824M gateway allows you to restrict access to Internet content based on functions such as
Java or Cookies, Web addresses and Web address keywords.
1. Log in to the gateway at its default LAN address of http://192.168.0.1 with its default User
Name of admin, default password of password, or using whatever Password and LAN
address you have chosen for the gateway.