tips on ssh tunneling

ssh -L 8080:destination_ip/dns:80 local_net/other

now you can visit the destination_ip/dns by visit

localhost:8080

more details:

http://www.securityfocus.com/infocus/1816/

http://en.wikipedia.org/wiki/Tunneling_protocol

http://www.revsys.com/writings/quicktips/ssh-tunnel.html

http://www.engadget.com/2006/03/21/how-to-ssh-tunnels-for-secure-network-access/