Reference Manual for the Integrated ADSL Modem and Wireless Router with Voice, Model
Protecting Your Network 5-3
v1.0, September 2006
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 modem router provides a variety of options for blocking Internet based content and
communications services. With its content filtering feature, the Integrated ADSL Modem Wireless
Router with Voice prevents objectionable content from reaching your PCs. The modem router
allows you to control access to Internet content by screening for keywords within Web addresses.
Key content filtering options include:
• Keyword blocking of HTTP traffic.
• Outbound Service 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.
• Blocking unwanted traffic from the Internet to your LAN.
The section below explains how to configure your modem router to perform these functions.

How to Block Keywords and Sites

The Integrated ADSL Modem Wireless Router with Voice allows you to restrict access to Internet
content based on functions such as Web addresses and Web address keywords.
1. Log in to the modem router 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 modem router.