middleman

Robust proxy server

Middleman is a robust proxy server with many features designed to remove unwanted content, increase privacy, and to simply make surfing the Web a more pleasant experience. Some of the highlights of Middleman include banner and popup blocking, HTTP and FTP content caching, NTLM and Basic authentication when forwarding through another proxy server, regular expression substitution in downloaded files and HTTP headers, complete support for HTTP/1.1 including persistent connections and gzip encoding, and an intuitive Web interface for configuring the proxy.