Examples
nc -l -p 2222 | nc 10.1.0.43 1234
Netcat will listen on port 2222 and output anything received to a remote connection on 10.1.0.43 port 1234
nc -l -p 2222 | nc 10.1.0.43 1234
Netcat will listen on port 2222 and output anything received to a remote connection on 10.1.0.43 port 1234