socat - Multipurpose relay (SOcket CAT)
Port forwarding
From localhost:8888
to 10.2.130.7:4444
.
$ socat TCP4-LISTEN:8888,reuseaddr,fork TCP4:10.2.130.7:4444
TCP to program
$ socat TCP-LISTEN:9001,reuseaddr,fork,forever,keepalive EXEC:'python3 example.py'
References www.redhat.com.