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3. Content Filtering
The router provides various options for blocking Internet-based content and communications
services. With its content filtering feature, the router prevents objectionable content from
reaching your computers. You can control access to Internet content by screening for keywords
within web addresses. 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 a
s off-limits.
• Denial of service (DoS) protection. Detects and thwarts DoS attacks such as Ping of
De
ath, SYN flood, LAND attack, and IP spoofing.
• Blocking unwante
d traffic from the Internet to your LAN.
The router allows you to restrict access to Internet conten
t based on web addresses and web
address keywords. The following sections describe how to use the basic firewall features of the
router to protect your network.
• Block Sites
• Block Services
• Schedule
• Email
Note: For information about the advanced content filtering features port
forwarding and port triggering, see
Port Forwarding/Port Triggering
on page 66.
Note: To access online help, click the online help button ( ).