Netcat (nc, ncat)
In RHEL 6.9, use ncat.
Reverse proxy
Set up a reverse proxy, forwarding connections to local port 1521 to dbserver.example.local:1521:
ncat -k -l -p 1521 -c "ncat dbserver.example.local 1521"
In RHEL 6.9, use ncat.
Set up a reverse proxy, forwarding connections to local port 1521 to dbserver.example.local:1521:
ncat -k -l -p 1521 -c "ncat dbserver.example.local 1521"