man tcp_relay (Commandes) - a tcp relay
NAME
tcp_relay - a tcp relay
SYNOPSIS
tcp_relay -p port [-s] -h host ... remotehost[:port]
DESCRIPTION
For more details, read the source.
OPTIONS
-p port The port tcp_relay will listen for connections on. -s If this option is given, only a single connection at a time will be handled. Otherwise tcp_relay will fork a new copy of itself for each incomming connection and go on to accept new connections. -h host Connections from this host will be allowed. Several of these may be supplied.
AUTHOR
This software is Copyright 1996 by Karl-Johan Johnsson.