connect to vnc on linux via rdp protocol, e.g. from windows. or from linux with rdesktop

xrdp from http://sourceforge.net/projects/xrdp/
made to work with suse....
variable succes: sometimes mouse doesn't work, which makes it fairly useless. there is always a windows manager that
does work but not sure which one......
kde4, lxde, xfce, twm, icewm can work. sometimes....

requires tightvnc or xorg Xvnc
cannot get x11vnc to work....