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Socket Secure (SOCKS) is an Internet protocol that routes network packets between a client and server through a proxy server. SOCKS5 additionally provides authentication so only authorized users may access a server. Practically, a SOCKS server proxies TCP connections to an arbitrary IP address, and provides a means for UDP packets to be forwarded. SOCKS performs at Layer 5 of the OSI model (the session layer, an intermediate layer between the presentation layer and the transport layer). == History == The protocol was originally developed/designed by David Koblas, a system administrator of MIPS Computer Systems. After MIPS was taken over by Silicon Graphics in 1992, Koblas presented a paper on SOCKS at that year's Usenix Security Symposium, making SOCKS publicly available.〔Darmohray, Tina. "(Firewalls and fairy tales )". ;LOGIN:. Vol 30, no. 1.〕 The protocol was extended to version 4 by Ying-Da Lee of NEC. The SOCKS reference architecture and client are owned by Permeo Technologies, a spin-off from NEC. (Blue Coat Systems bought out ''Permeo Technologies''.) The SOCKS5 protocol was originally a security protocol that made firewalls and other security products easier to administer. It was approved by the IETF in 1996.〔RFC 1928〕 The protocol was developed in collaboration with Aventail Corporation, which markets the technology outside of Asia.〔(CNET: Cyberspace from outer space )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「SOCKS」の詳細全文を読む スポンサード リンク
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