3proxy

Universal lightweight multiplatform proxy server with HTTP, HTTPS, SOCKS v4, SOCKS v4a, SOCKS v5, FTP, POP3, UDP and TCP portmapping, access control, bandwith control, traffic limitation and accounting based on username, client IP, target IP, daytime, day of week, etc. ODBC logging support to any dabase or to file of any format for compatibility with log analizers.

Proxy chaining support for any type of parent proxy. Randomization for chain building.

Many additional features.