Dear Andrew, It seems you have configured it careful enough. It looks so hard to figure out problems.
I found an article which might be similar to your problem. http://lists.suse.com/archive/suse-xfree86/2003-Jul/0003.html Does it help? Takuma Murakami ([EMAIL PROTECTED]) > I have a SuSE 8.2 installation. I am attempting to use Cygwin/XFree86 to > start an X session using XDMCP. XDMCP is not on by default so I have > performed the following changes: > > * Enabled XDMCP in /opt/kde3/share/config/kdm/kdmrc by setting > "Enable=true" for the [Xdmcp] section. > * Modified /etc/X11/xdm/xdm-config to comment out > DisplayManager.requestPort by putting a "!" in the first character. > * Uncommented the "*" line in /etc/X11/xdm/Xaccess and > /opt/kde3/share/config/kdm/Xaccess. Note there are two different > lines in each file. The difference seems to be one is of the form > of "* CHOOSER BROADCAST" and just the plain "*". I've tried all > combinations to no avail. > * I have only one NIC. > * I've tried xwin -query sonslinux -from adefaria, same problem. > * Sonslinux sits right next to me and I can login using KDE just > fine on the console - I just can't get a remote X session from my > XP box to put up a chooser. > * XWin.log always seems to indicate "XDM: too many retransmissions" > as the problem (Sample XWin.log attached). Note that XDM: too many > retransmissions only shows up after waiting for a while. > * Nothing listed in /var/log/messages nor /var/log/kdm.log on sonslinux.