SOCKS - Socket Secure

最後更新: 2018-01-15




proxies TCP connections to an arbitrary IP address ( * support UDP packets to be forwarded)

SOCKS performs at Layer 5 of the OSI model (Session layer) * acts as transparently as possible

port 1080/tcp

SOCKS In SSH <- dynamic port forwarding

SOCKS5 (RFC 1928)

 * additionally provides authentication
 * support for IPv6 and UDP


client <---> ss-local <--[encrypted]--> ss-remote <---> target

ss-local acts like a traditional SOCKS5 server

encrypted data stream: [target address][payload]



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