A Brief Introduction to Web Proxies and Reporting: Squid, SquidGuard, and Lightsquid

This section is not meant to be a formal, detailed, and comprehensive recipe for using Squid and other related web proxy software, but a quick run-through to get it up and running and to cover the most commonly asked questions about their capabilities. This section covers Squid for caching web pages and related tasks, SquidGuard for filtering and controlling access to web content, and Lightsquid for reporting user activity based on the Squid access logs.

This discussion assumes the firewall running AZTCO-FW software has a simple single LAN and single WAN configura- tion. Visit Cache / Proxy and Netgate Forum for additional guidance.

Warning: HTTPS traffic cannot be transparently intercepted in nearly all cases, this section only covers transpar- ently capturing HTTP traffic. See Transparent Proxies and HTTP/HTTPS for details.