SSH: Tunnelling arbitrary remote hosts
ssh -L local_port:remote_target_ip:remote_target_port ssh_server_ip
ssh -L 23000:10.0.0.2:23 10.28.50.100once authenticated against
10.28.50.100, encrypted connectivity to the telnet server running at
10.0.0.2is possible just connecting to
lsof -i -nwould confirm there is a new port listening on
here is a nicely illustrated quick note for bypassing firewall (inbound) policies.