SSH(1)

SOCS5 proxy

It allows you to browse the web via a proxy machine. Configure the browser SOCS5 proxy address localhost or 127.0.0.1 and port 1337.

ssh -Nf -D 1337 username@remote-proxy-host

Port forwarding

ssh -L from your machine to the remote and then forward connections from your workstation port X to the remote port Y.
ssh -R from remote to your local workstation and then forward connections from your workstation port X to remote port Y.

ssh -L 1337:localhost:1337 username@remote-proxy-host
ssh -R 1337:localhost:1337 username@my-local-machine