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socat is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device (serial line etc. or a pseudo terminal), a socket (UNIX, IP4, IP6 - raw, UDP, TCP), an SSL socket, proxy CONNECT connection, a file descriptor (stdin etc.), the GNU line editor (readline), a program, or a combination of two of these. These modes include generation of "listening" sockets, named pipes, and pseudo terminals.
socat can be used, e.g., as TCP port forwarder (one-shot or daemon), as an external socksifier, for attacking weak firewalls, as a shell interface to UNIX sockets, IP6 relay, for redirecting TCP oriented programs to a serial line, to logically connect serial lines on different computers, or to establish a relatively secure environment (su and chroot) for running client or server shell scripts with network connections.
docker create \
--name=socat \
-e LISTEN_PORT=<listening port> \
-e FORWARD_PORT=<forwarding / redirect port> \
tynor88/socat
Parameters
-e LISTEN_PORTThe port to listen for TCP4 connections-e FORWARD_PORTThe port to redirect / forward TCP4 connections to
- Shell access whilst the container is running:
docker exec -it socat /bin/ash - Upgrade to the latest version:
docker restart socat - To monitor the logs of the container in realtime:
docker logs -f socat
- 2016/09/01:
- Initial release