How-To: SSH tunnels for secure network access - Engadget
Breaking Firewalls with OpenSSH and PuTTY
HTTP Tunneling - The Code Project - Internet & Network
Squarebits Blog: Add a Little Color to Your SSH/Telnet Sessions
Auto-closing SSH tunnels
Tunneling UDP over SSH - Networking Forum
Public Access to Tor via DNS
WOW!
Blog - nulldigital.net
TIP SSH Reverse Tunnel - Gentoo Linux Wiki
Performing UDP tunneling through an SSH connection
Web browsing via a secure shell (ssh) tunnel
Linux.com :: CLI Magic: More on SSH
The goal of this article is to present a few effective methods to revamp the way you work in a restricted corporation-like network. In order to achieve it we're going to use SSH tunneling to bypass the firewall rules applied by your system administrator
How to set up SSH to use corkscrew through a proxy server
This is a piece of software that lets you tunnel IPv4 data through a DNS server. This can be usable in different situations where internet access is firewalled, but DNS queries are allowed.
Tunel a traves de un cortafuegos, usando DNS
SSH Tunnel + SOCKS Proxy Forwarding = Secure Browsing « Ubuntu Blog
(Bitvise) Download Area
Zebedee: Secure IP Tunnel