/etc/hosts and system entries

Adam Jackson ajackson at redhat.com
Mon Oct 1 13:28:23 UTC 2007

On Fri, 2007-09-28 at 14:27 +0100, Bill Crawford wrote:
> On 27/09/2007, Adam Jackson <ajackson at redhat.com> wrote:
> > Why is this not a bug in kerberos?  If the application knows that the IP
> > address it wants for the name needs to be globally routable, then the
> > application should be responsible for walking the list of IPs for that
> > name to find the routable ones.
> Another point being missed, is that if the hostname gets changed the
> moment an external IP interface is brought up, X becomes unusable
> because suddenly the magic cookie isn't found (the server and
> .Xauthority think it's "localhost" and the client thinks it's
> "some-dynamic-ip-xx-yy-zz.imaginative-dsl-provider.com").

I think there's something more subtle going on in this case.  What we do
at least in startx(1) is add the cookie to ~/.Xauthority twice, once
for :0 and once for foo:0, so the first one should always win.

- ajax

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