Helpful URLs

SSH FAQ
http://www.onsight.com/faq/ssh/ssh-faq.html

authprogs
http://www.hackinglinuxexposed.com/tools/authprogs/

find-ssh-agent
http://www.hackinglinuxexposed.com/tools/find-ssh-agent/

SSH Tunneling articles
http://www.hackinglinuxexposed.com/articles/20030228.html

SSH Passwordless authentication articles
http://www.hackinglinuxexposed.com/articles/20021211.html