Closing port 6000 X Acer Aspire One

Some Acer Aspire One netbooks are shipped with port 6000 open by default

A NMAP scan of the device will reveal not only the open port but also some information on the Operating System (OS) and kernel version

nmap -sV

Port 6000 X11

This port is used by Xorg for remote clients. The default permission is restricted by the xhost program to deny access to any remote users

Closing the port

At startup, run xinit with the nolisten tcp after the server options --

Note: The startup script in /etc/X11/xdm/Xservers is not used by this implementation

nmap -sV

Keep I.T Safe

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Email: robert (at)