Socat is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device (terminal or modem, etc.), socket (Unix, IP4, IP6 - raw, UDP, TCP), SSL, a client for SOCKS4, or proxy CONNECT. It supports broadcasts and multicasts, abstract Unix sockets, Linux tun/tap, GNU readline, and PTYs. It provides forking, logging, and dumping and different modes for interprocess communication. Many options are available for tuning socat and its channels. Socat can be used, for example, as a TCP relay (one-shot or daemon), as a daemon-based socksifier, as a shell interface to Unix sockets, as an IP6 relay, or for redirecting TCP-oriented programs to a serial line.
License: GNU General Public License (GPL)
Changes:
This release brings support for SCTP stream sockets, raw interface, and generic sockets. A new option escape allows it to interrupt raw terminal connections. Listening and receiving sockets can set a couple of environment variables. Base control of System V STREAMS has been added. Many corrections were performed. socat compiles on Mac OS X again.
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10-16-2008
