Blocking Proxy Avoidance Software

• FortiGate units running FortiOS 3.0.

Use FortiGuard Web Filtering options in the protection profile to block this type of software, referred to as proxy avoidance.

To configure the web filtering

1. Go to Firewall> Protection Profile.
2. Select edit for a protection profile.
3. Select the blue arrow for FortiGuard Web Filtering to expand the options
4. Select the blue arrow for Potentially Liable to expand the options.
5. Locate Proxy Avoidance and select Block.
6. Select Log to log any blocking actions if required.
7. Select OK.

Remember to include the protection profile in a firewall policy if it is not already used.

Note: You can use the IPS signature HTTP.Proxy.Activity to detect proxy servers that are not yet rated by our FortiGuard services.