There are times when you want to connect to the Internet through unknown and/or insecure networks such as the local Panera or other WiFi hotspot. If you aren’t careful, you might make it all too easy for someone to sniff your connection using Ettercap
If you cannot use a SSH client to bypass the firewall (403 error, connect command not allowed) you can use GNU httptunnel to bypass the firewall. As an example we forward again the Windows Remote Desktop (port 3389).