Multipurpose relay for bidirectional data transfer between two independent data channels
SOcket CAT: netcat on steroids
socat$ socat TCP-LISTEN:8888,reuseaddr ECHO$ socat TCP-LISTEN:8080,reuseaddr TCP:example.com:80$ socat UNIX-LISTEN:/tmp/socket.sock,reuseaddr TCP:127.0.0.1:3306