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FortiGate-100 Installation and Configuration Guide Version 2.50 MR2
FortiGate-100 Installation and Configuration Guide 235
Web filtering
Web filtering is enabled in firewall policies. When you enable Anti-Virus & Web filter in
a firewall policy, you select a content profile that controls how web filtering behaves for
HTTP traffic. Content profiles control the following types of content filtering:
• blocking unwanted URLs,
• blocking unwanted content,
• removing scripts from web pages,
• exempting of URLs from blocking.
You can also use the Cerberian URL blocking to block unwanted URLs. For more
information, see “Using the Cerberian web filter” on page 240.
This chapter describes:
• General configuration steps
• Content blocking
• URL blocking
• Using the Cerberian web filter
• Script filtering
• Exempt URL list
General configuration steps
Configuring web filtering involves the following general steps:
1 Select web filtering options in a new or existing content profile. See “Adding a content
profile” on page 170.
2 Select the Anti-Virus & Web filter option in firewall policies that allow HTTP
connections through the FortiGate unit.
• Select a content profile that provides the web filtering options that you want to
apply to a policy. See “Adding a content profile to a policy” on page 171.
3 Configure web filtering settings to control how the FortiGate unit applies web filtering
to the HTTP traffic allowed by policies. See:
• “URL blocking” on page 237,
• “Using the Cerberian web filter” on page 240,
• “Content blocking” on page 236,
• “Script filtering” on page 242,
• “Exempt URL list” on page 243.