Linux Magazine: Transparent Proxying with Squid May 24, 2005, 10 :00 UTC (3 Talkback[s]) (6205 reads) (Other stories by Jeremy Garcia)
"If you’ve ever looked into setting up a web cache for your office or campus, you’re probably familiar with Squid. Available from http://www.squid-cache.org, Squid is a full-featured web proxy cache licensed under the GNU Public License.
"Squid is often used as a reverse proxy, caching and serving a site’s web pages to reduce demands on its web server... But Squid is also an effective proxy. By caching popular content--keeping a copy of remote web pages on a local server--Squid can reduce bandwidth consumption and serve (cached) web pages faster..."