> > You missed the Xserver(1) manual page. 
> > X -nolisten tcp will do what you want. 
> I tried that one, but if I use it, xdm seems to be unable to start the X
> server anymore.

No, it works, I made another silly mistake.

For security sake, woulnd't it be better to ship default X confiugration
files that turns off TCP binding for the X server and for xdm?

-- 
Emmanuel Dreyfus
p99dreyf@criens.u-psud.fr