ssh port forwarding
Make a local port accessible from a remote server.
Make sure the server sshd_config have GatewayPorts yes
+--------------+ +--------------+ |localhost:4000| |localhost:8080| |local computer|->>-|vps server | |49.237.17.80 | |34.80.255.217 | +--------------+ +--------------+
ssh -R 8080:localhost:4000 user@34.80.255.217
The traffic on the vps server port 8080 will be forwarded to your local computer port 4000.
Access a remote port from local computer.
+--------------+ +--------------+ |localhost:4000| |localhost:8080| |local computer|-<<-|vps server | |49.237.17.80 | |34.80.255.217 | +--------------+ +--------------+
ssh -L 4000:localhost:8080 user@34.80.255.217
Tips
Adding the flag -nNT will not open a shell on the remote server.