Lock down XDMCP?

[Romeyn Prescott]

At 10:48 PM -0800 12/3/04, Matt Zimmerman scribbled:
>On Fri, Dec 03, 2004 at 11:53:48PM -0500, Romeyn Prescott wrote:
>
>>  I have a box at home that I want to sit headless...no
>>  monitor/keyboard/mouse.  I'll "use" it remotely from one of my other
>>  computers by logging in via ssh and running 'gdmflexiserver -n'.
>>  This works great.
>>
>>  How do I lock down XDMCP so that commands like 'X :1 -query
>>  ip.address.of.box' don't work?  It's not terribly secure.
>
>The X server doesn't listen for XDMCP requests by default in Ubuntu.
>This is controlled by the Enable setting in the [xdmcp] section in
>/etc/gdm/gdm.conf (the default is "false").
>

Of course...I had enabled this in the GUI settings when I was 
experimenting.  My bad!

Thanks for the reminder!
...ROMeyn
-- 
signat-url: http://www2.potsdam.edu/prescor/signat-url.htm