Super G Wireless Router WGT624 v4 User Manual
3-2 Content Filtering
v1.0, July 2008
• To delete a keyword or domain, select it from the list, click Delete Keyword, and then click
Apply.
• To specify a trusted user, enter that computer’s IP address in the Trusted IP Address field and
then click Apply. You can specify one trusted user, which is a computer that will be exempt
from blocking and logging. Since the trusted user will be identified by an IP address, you
should configure that computer with a fixed IP address.
Keyword Application Examples
• If the keyword “XXX” is specified, the URL <http://www.badstuff.com/xxx.html> is blocked.
• If the keyword “.com” is specified, only websites with other domain suffixes (such as .edu or
.gov) can be viewed.
• If you want to block all Internet browsing access during a scheduled period, enter the keyword
“.” and set the schedule in the Schedule screen.
Blocking Services (Port Filtering)
You can block the use of certain Internet services by computers on your network. This is called
services blocking or port filtering.
Services are functions performed by server computers at the request of client computers. For
example, Web servers serve Web pages, time servers serve time and date information, and game
hosts serve data about other players’ moves.
When a computer on your network sends a request for service to a server computer on the Internet,
the requested service is identified by a service or port number. This number appears as the
destination port number in the transmitted IP packets. For example, a packet that is sent with
destination port number 80 is an HTTP (Web server) request.
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