I had to find a solution for my company to remote a Linux machine from Windows. The less extra software the better.

The computer to remote has Debian 4.0 installed.

xrdp is a magic solution. It allows to tunnel X into the Windows Remote Desktop Connection application. There is no need for extra software to install on Windows.

You need to install xrdp on the Linux.

apt-get update
apt-get install xrdp

It did not work right away, but after rebooting the Linux machine, everything went smoothly.