VNCSara

VNCSara is a free open source project that interacts with any VNC Client. In short, VNC Sara is a web server designed to HTTP Tunnel the VNC Protocol with as little effort as possible.

You visit the web site and use the altered TightVNC java app to view your VNC Session. No ports need to be opened on your firewall/router other than the port you wish to use for visiting the web site, usually port 80 or 443.