[wellylug] Enabling XDMCP under Debian

Jamie Dobbs jamie.dobbs at orcon.net.nz
Tue May 4 10:08:44 NZST 2004


Have made all these changes but still can't get an X logon screen from any
remote workstations - could it be that port 177 is off by default and I
need to enable is somehow?

> For xdm, edit the file /etc/X11/xdm/xdm-config
>
> At the bottom is the following:
>
> -----
> ! SECURITY: do not listen for XDMCP or Chooser requests
> ! Comment out this line if you want to manage X terminals with xdm
> DisplayManager.requestPort:    0
> -----
>
> Comment out the last line, and /etc/init.d/xdm restart
>
> You'll also need to edit /etc/X11/xdm/Xaccess and uncomment the
> following line or lines:
>
> *                                       #any host can get a login window
> *               CHOOSER BROADCAST       #any indirect host can get a
> chooser
>
> The first allows terminals to get a login window and log into your Linux
> PC.  You almost definitely want this.
>
> The second will allow xdmcp terminals to get a chooser window with a
> list of hosts from your xdmcp server.  If you don't want to use a
> chooser window provided by the Linux PC, you can leave it commented out.
>
> If you don't want to have a local X session running on the PC, you can
> edit /etc/X11/xdm/Xservers and remove the line:
>
> :0 local /usr/X11R6/bin/X vt7 -dpi 100 -nolisten tcp
>
> If you remove that and restart XDM, your Linux PC will remain at the
> console with no GUI running, but you'll still be able to connect X
> terminals to it.
>
> Hope this helps :)
>
> Sam




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