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SOCKS

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The SOCKS Protocol is an Internet protocol that allows client-server applications to transparently use the services of a network firewall.

Clients behind a firewall wanting to access exterior servers connect to a SOCKS proxy server instead. This proxy server controls the eligibility of the client to access the external server and passes the request on to the server.

According to the OSI model it is an intermediate layer between the application layer and the transport layer.

The current version 5 of the protocol extends the previous version by supporting UDP, authentication and IPv6.

External links:

See also:

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