hostname change breaks X - how to connect ?

Alan Cox alan at
Tue Aug 31 12:03:02 PDT 2004

On Maw, 2004-08-31 at 20:02, Mike A. Harris wrote:
> > XFree86 has the same problem. I have seen this on Redhat 8, Redhat 9, 
> To my knowledge, there's no way to do that currently.  You'd have to 
> hack up something in the X server authentication code to handle hostname 
> changes, but I don't think anyone's ever done that.  We've got a feature 
> request for this in Red Hat bugzilla, but it's more of a general problem 
> than a distribution specific one.

Kerberos keys have this property. Really X needs a proper hostkey not
hostname based keying. Especially since DNS is not trustable so
hostnames are not trustable so X host based auth is worth rather less
than you might think (ie near zilch).


More information about the xorg mailing list