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tcp-environ(5)							tcp-environ(5)

NAME
       tcp-environ - TCP-related environment variables

DESCRIPTION
       The  following  environment  variables describe a TCP connection.  They
       are set up by tcp-env, tcpclient, and tcpserver.	 Note  that  TCPLOCAL‐
       HOST,  TCPREMOTEHOST,  and  TCPREMOTEINFO can contain arbitrary charac‐
       ters.

       PROTO
	    The string TCP.

       TCPLOCALHOST
	    The domain name of the local host,	with  uppercase	 letters  con‐
	    verted  to	lowercase.   If there is no currently available domain
	    name for the local IP address, TCPLOCALHOST is not set.

       TCPLOCALIP
	    The IP address of the local host, in dotted-decimal form.

       TCPLOCALPORT
	    The local TCP port number, in decimal.

       TCPREMOTEHOST
	    The domain name of the remote host, with  uppercase	 letters  con‐
	    verted  to	lowercase.   If there is no currently available domain
	    name for the remote IP address, TCPREMOTEHOST is not set.

       TCPREMOTEINFO
	    A connection-specific string, perhaps a username, supplied by  the
	    remote  host  via  931/1413/IDENT/TAP.  If the remote host did not
	    supply connection information, TCPREMOTEINFO is not set.

       TCPREMOTEIP
	    The IP address of the remote host.

       TCPREMOTEPORT
	    The remote TCP port number.

       TCPINTERFACE
	    The interface name ("eth0") for IPv6 connections using  link-local
	    addresses.

SEE ALSO
       tcpclient(1), tcpserver(1), tcp-env(1), tcp(4)

								tcp-environ(5)

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