Spurious tickets when using DNS realm configuration

Russ Allbery eagle at eyrie.org
Wed Jul 24 12:47:32 EDT 2019

Greg Hudson <ghudson at mit.edu> writes:
> On 7/24/19 2:13 AM, David Cross wrote:

>> Additionally on the kdc i see that it additionally requests the tgt again.

> The TGT or the service ticket?  Regardless, I don't have a good
> explanation for that; I wouldn't expect there to be multiple TGS
> requests in a simple referral scenario.  Getting KRB5_TRACE output might
> help determine what's going on.

Maybe David is seeing multiple AS_REQs from pre-auth?  That usually gets
logged as two requests, one without the challenge (which will result in
"Additional pre-authentication required") and one with it.

Russ Allbery (eagle at eyrie.org)              <http://www.eyrie.org/~eagle/>

More information about the krbdev mailing list