Nice page on SSH "Reverse Tunneling" or Port Forwarding.
man sshis enough as well, but I really didn't get it into my head with the man page.
This post was typed up on Gnome's LiveJournal Client, Drivel. Its a really neat client, they just released version 1.2.0 yesterday & its surely worth a shot. Gives Logjam a run for its money.
Update: Here is the link you requested teemus.