DirecWay DW4000 Specifications download pdf (Page 36)

Web Content Filtering

Associated with the topic of firewalls is the topic of web content filtering. A firewall

functions to block specific TCP/IP port level traffic into and out of a Local Area Network

(LAN) to the Wide Area Network (WAN). A web content filter examines the packets

being sent and blocks out the content of the packet. For instance, if you do not want

anyone in your LAN to browse www.playboy.com then you can set up your content filter

to stop all traffic to that site.

CPE Labs markets the ZyXEL firewall and web content filter product line. This product

line can block not only specific sites but also block instant messaging, gaming, etc. based

upon time of day or specific LAN user.

These products have the ability to function based upon a web characterization service

from Cerberian. This service characterizes and rates web sites such that the web content

filter can make decisions upon who should be able to access a site: adult, teenager, child,

etc.

The ZyXEL Parental Control Gateway Router can enforce study habits for your children.

For example, no instant messaging from 7PM to 9PM as this is homework time.

As a side benefit, you can also block advertisement sites. This one benefit can speed up

your browsing experience noticeably.

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DirecWay DW4000 Specifications Page 36