URL-based Web Proxy Forwarding
In order to configure URL-based web proxy forwarding,
WAN Opt. & Cache must be enabled using Feature Setting. For more information, see “Feature Select”.FortiOS now supports URL-based web proxy forwarded, which is required for explicit proxy installations using Threat Management Gateway or Blue Coat.
URL-based web proxy forwarding can be configured by going to WAN Opt. & Cache > Cache > URL Match List.