On Sat, 25 Dec 2004, hicham wrote: > After some "yum update or yum install" , I've found > that the X server is listening on port X11, though I > remember it was not open on initial install > how do I turn it off ? How do you know its listining? nmap localhost netstat -tlp The flag that controls it is the following in /etc/X11/gdm/gdm.conf DisallowTCP=true Is this file modified? rpm -v gdm You can restore the defaults by: cp /etc/X11/gdm/factory-gdm.conf /etc/X11/gdm/gdm.conf Satish