org server. Since this
was forked from the XFree86 server, the configuration process is
largely the same for both versions, except for minor differences in
command-line options and filenames and features that have been
added since the fork.
3.2 Why Only root Can Configure the X Server
Only the superuser, root, is permitted to configure the X.org server. This seems to be
a serious limitation for a desktop system, but there are two critical reasons for it.
3.3
3.3 Places Your Configuration Could Hide 41
Since the X server pretty much has free reign over the hardware, it is possible to craft
a malicious driver that would manage more than the display??”it could manage other
devices, snoop on system activity, or damage data. Any user who is given permission
to configure the X server could install such a malicious driver; allowing a normal user
to configure the server could permit a Trojan program to install a bad driver.
It??™s also possible to lock up the system by misconfiguring the X server. Worse yet, it??™s
possible in some very rare cases to permanently damage the display hardware!
3.3 Places Your Configuration Could Hide
The X.org server configuration file is named xorg.conf.
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