Chapter 43 Content Filtering
ZyWALL Series CLI Reference Guide
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43.8 Web Content Filter Example
This is an example of using the Zyxel Device to block access to a specific network service. A company
wants to prevent its employees from using Facebook during their time in the office, but still allows access
to other web pages, such as Office 365, Google, Wikipedia... The company wants to make sure any
traffic going from the LAN to the Internet cannot access Facebook whether the traffic goes through the
Zyxel Device or not.
Figure 33 Web Content Filter Example
Follow the steps below to block the Zyxel Device LAN users from accessing Facebook.
1 Create a web content filter profile named facebook_block.
Web Ads Web pages that provide advertisement-hosting or programs that create
advertisements.
Examples include links, source code or applets for banners, popups, and other
kinds of static or dynamically generated advertisements that appear on web
pages. This category is intended to block advertisements on web pages, not
the companies that provide the advertisements or advertising services.
This category does not include aggressive advertising adware. See the
Spyware/Adware category.
Web Mail Web pages that enable users to send or receive email through the Internet.
Web Meetings Web pages that host live meetings, video conferences, and interactive
presentations mainly for businesses.
Web meetings generally include streaming audio and video, and allow data
transfer or office-oriented application sharing, such as online presentations.
Web Phone Web pages that enable users to make telephone calls via the Internet or obtain
information or software for this purpose.
Web Phone service is also called Internet Telephony, or VoIP. Web phone
service includes PC-to-PC, PC-to-phone, and phone-to-phone services
connecting via TCP/IP networks.
Table 213 New Managed Category Descriptions (Firmware v4.55 or later) (continued)
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