AS-REQ using SPN

[Rowland Penny]

On Wed, 15 Nov 2017 11:07:30 +0100
Ralph Böhme <slow at samba.org> wrote:

> On Wed, Nov 15, 2017 at 10:03:58AM +0000, Rowland Penny wrote:
> > On Wed, 15 Nov 2017 10:53:36 +0100
> > Ralph Böhme via samba-technical <samba-technical at lists.samba.org>
> > wrote:
> > 
> > > Hi Garming,
> > > 
> > > On Wed, Nov 15, 2017 at 11:34:18AM +1300, Garming Sam wrote:
> > > > I noticed that this behaviour of AS-REQ with a SPN was
> > > > introduced a little while ago. It asserted that this is in line
> > > > with Windows, but I have been making some attempts and have yet
> > > > to see any Windows KDC manage to accept such a request (so
> > > > something is not quite right, or I'm missing something). I've
> > > > tried it against a 2008R2 and 2012R2 machine.
> > > 
> > > works here against Windows 2016:
> > > 
> > > [slow at kazak scratch]$ cat /etc/krb5.conf
> > > [libdefaults]
> > >         default_realm = RIVERSIDE.SITE
> > >         dns_lookup_realm = false
> > >         dns_lookup_kdc = false
> > > 
> > > [realms]
> > >         RIVERSIDE.SITE = {
> > >                  kdc = 10.10.11.14
> > >         }
> > > 
> > 
> > Hi Ralph, would you like to try that again with the Samba
> > recommended krb5.conf ?
> > 
> > Which is:
> > 
> > [libdefaults]
> >         default_realm = RIVERSIDE.SITE
> >         dns_lookup_realm = false
> >         dns_lookup_kdc = true
> 
> no, won't work. :)
> 
> -slow
> 

Which means that either something is wrong or Samba is recommending the
wrong krb5.conf ;-)

Rowland