/etc/sysconfig/displaymanager
Edit – DISPLAYMANAGER_REMOTE_ACCESS=”yes”
/etc/opt/kde3/share/config/kdm/kdmrc
/etc/opt/kde3/share/config/kdm/kdmrc.SuSEconfig
Set true here:
[Xdmcp]
Enable=true
Willing=/etc/X11/xdm/Xwilling
Xaccess=/etc/X11/xdm/Xaccess
then
/etc/X11/xdm
Edit: Xaccess
Cheack that you have * for all host
and in xdm-config
Set this:
DisplayManager.requestPort: 177
Restart the X Server