On Fri, 2003-02-14 at 23:56, Philip Brown wrote:
> On Fri, Feb 14, 2003 at 03:23:07PM -0700, John Bartoszewski wrote:
> > On Fri, Feb 14, 2003 at 10:14:21PM +0100, Michel D?nzer wrote:
> > > Also keep in mind that access to the DRI can be controlled via ownership
> > > and permissions of the /dev/dri/cardX devices.
> > 
> > On a private machine this is method is effective.
> > On a public machine, such as a University lab, where all users must
> > be considered hostile this is less effective. 
> 
> how is "only user joebrown can read and write /dev/dri/card0" any less
> effective when there are multiple users on the box ??

As well as the unix permissions DRI is also playing games with
authentication of its own between the server and clients



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