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tcp-env(1) FreeBSD General Commands Manual tcp-env(1)

tcp-env - set up TCP-related environment variables

tcp-env [ -rR ] [ -ttimeout ] program [ arg ... ]

The input for tcp-env must be a TCP connection. tcp-env finds out information about that connection, puts the information into several environment variables as described in tcp-environ(5), and runs program with the given arguments.

Usually tcp-env is run from inetd. It might instead be run from another server that already sets up the right environment variables; if PROTO is set to TCP when tcp-env is invoked, tcp-env assumes that all the other variables are set up properly, and it does not check whether the input is a TCP connection.

-r
(Default.) Attempt to obtain TCPREMOTEINFO from the remote host.
-R
Do not attempt to obtain TCPREMOTEINFO from the remote host.
-ttimeout
Give up on the TCPREMOTEINFO connection attempt after timeout seconds. Default: 30.

tcp-environ(5), inetd(8)
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