This site is a reference for developers interested in technical information on the SOCKS protocol.  SOCKS is an IETF standard proxy protocol for IP-based applications.  All software downloads available on this site are intended for non-commercial use by researchers, academic institutions, and individuals interested in understanding and working with SOCKS. The SOCKS site is sponsored by Permeo, an independent software company involved through the Internet Engineering Task Force (IETF) in development of the SOCKS standard.  Permeo offers commercial grade software products for application security that are fully compliant with SOCKSv4 and SOCKSv5.