Squid Proxy Server On Ubuntu 9.04 Server With DansGuardian, ClamAV, And WPAD (Proxy Auto-Detection)

This tutorial will demonstrate how to set up a Squid Proxy
server on Ubuntu 9.04 Server with DansGuardian (for content
filtering) and ClamAV (for Virus scanning); in addition, we will set up
Web Proxy AutoDetection (WPAD) through DHCP (in this case, the Windows
Server 2003 DHCP server) or DNS
so that the only configuration necessary on the client side is to check
“Auto-detect proxy settings for this network”
in Firefox or Internet Explorer. At the end of the tutorial, users
will have a fully functional and secure proxy for HTTP access.

Source/Kaynak : http://www.howtoforge.com/squid-proxy-server-on-ubuntu-9.04-server-with-dansguardian-clamav-and-wpad-proxy-auto-detection