Chapter 15 Unified Threat Management for FortiOS 5.0 : Web filter : FortiGuard Web Filtering Service : General configuration steps
  
General configuration steps
1. Go to Security Profiles > Web Filter > Profile.
2. Select the Edit icon of the web filter profile in which you want to enable FortiGuard Web Filter, or select Create New to add a new web filter profile.
3. Select an Inspection Mode.
4. If you are using FortiGuard Categories, enable the feature, select the categories and select the action to be performed.
5. The categories allow you to block or allow access to general or more specific web site categories. Configure access as required.
6. Save the filter and web filter profile.
7. To complete the configuration, you need to select the security policy controlling the network traffic you want to restrict. Then, in the security policy, enable Web Filter and select the appropriate web filter profile from the list.