The TCP Port Service Multiplexer (TCPMUX) is a little-used Internet protocol defined in RFC 1078. The specification describes a multiplexing service that may be accessed with a network protocol to contact any one of a number of available TCP services of a host on a single, well-known port number.[1]
The specification of TCPMUX, RFC 1078, was deprecated in 2016 by RFC 7805 for technical reasons and lack of use in the Internet.[2]
^RFC 1078, TCP Port Service Multiplexer (TCPMUX), M Lottor (November 1988)
^RFC 7805, Moving Outdated TCP Extensions and TCP-Related Documents to Historic or Informational Status (April 2016)
and 24 Related for: TCP Port Service Multiplexer information
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