Chapter 23 WAN Optimization, Web Cache, Explicit Proxy, and WCCP : The FortiGate explicit web proxy : Example: users on an internal network browsing the Internet through the explicit web proxy with web caching, RADIUS authentication, web filtering and virus scanning : General configuration steps
  
General configuration steps
This section breaks down the configuration for this example into smaller procedures. For best results, follow the procedures in the order given:
1. Enable the explicit web proxy for HTTP and HTTPS and change the HTTP and HTTPS ports to 8888.
2. Enable the explicit web proxy on the internal interface.
3. Add a RADIUS server and user group for the explicit web proxy.
4. Add an authentication explicit proxy policy. Enable web caching. Add an authentication rule and enable antivirus and web filtering.