X -nolisten tcp

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On my Ubuntu 8.04 system, I'm running Gnome Display Manager, and want the X server to listen on localhost:6000. By default, the X server is run with -nolisten tcp.

$ pgrep -fl X
8821 /usr/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth -nolisten tcp vt7

To enable the X server to LISTEN on port 6000, change DisallowTCP=true to DisallowTCP=false in /etc/gdm/gdm.conf, reload GDM with invoke-rc.d gdm reload and restart X for the change to take effect.

$ pgrep -fl X
7440 /usr/bin/X :0 -br -audit 0 -auth /var/lib/gdm/:0.Xauth vt7
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