ZyWALL USG Series User’s Guide
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CHAPTER 37
Content Filtering
37.1 Overview
Use the content filtering feature to control access to specific web sites or web content.
37.1.1 What You Can Do in this Chapter
• Use the Filter Profile screens (Section 37.2 on page 697) to set up content filtering profiles.
• Use the Trusted Web Sites screens (Section 37.3 on page 710) to create a common list of good
(allowed) web site addresses.
• Use the Forbidden Web Sites screens (Section 37.4 on page 711) to create a common list of bad
(blocked) web site addresses.
37.1.2 What You Need to Know
Content Filtering
Content filtering allows you to block certain web features, such as cookies, and/or block access to
specific web sites. It can also block access to specific categories of web site content. You can create
different content filter policies for different addresses, schedules, users or groups and content filter
profiles. For example, you can configure one policy that blocks John Doe’s access to arts and
entertainment web pages during the workday and another policy that lets him access them after work.
Content Filtering Policies
A content filtering policy allows you to do the following.
• Use schedule objects to define when to apply a content filter profile.
• Use address and/or user/group objects to define to whose web access to apply the content filter
profile.
• Apply a content filter profile that you have custom-tailored.
Content Filtering Profiles
A content filtering profile conveniently stores your custom settings for the following features.
• Category-based Blocking
The Zyxel Device can block access to particular categories of web site content, such as pornography
or racial intolerance.
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