netcat: GNU netcat (reads and writes data across network connections)
netcat:
netcat: Netcat is a featured networking utility which reads and writes data
netcat: across network connections, using the TCP/IP protocol.
netcat: It is designed to be a reliable "back-end" tool that can be used
netcat: directly or easily driven by other programs and scripts. At the same
netcat: time, it is a feature-rich network debugging and exploration tool,
netcat: since it can create almost any kind of connection you would need and
netcat: has several interesting built-in capabilities.
netcat:
netcat: http://netcat.sourceforge.net/