Proposal to change the meaning of -allow_tix +allow_svr aka KRB5_KDB_DISALLOW_ALL_TIX & !KRB5_KDB_DISALLOW_SVR

Jeffrey Altman jaltman at
Thu Jun 19 09:34:50 EDT 2008

Klaus Heinrich Kiwi wrote:
> On Wed, 2008-06-18 at 16:54 -0400, Ken Raeburn wrote:
>> I think it should be pointed out that such a change would allow  
>> tickets to start being issued where currently they would not when the  
>> KDC software gets updated -- even if the latter really was the intent  
>> of the realm administrator.  Because of that, we might instead want to  
>> create a new flag with the semantics Jeff wants, and leave the  
>> existing flag with its current (suboptimal) behavior.
> Sorry if this question sounds silly, but how much of both these
> solutions are implementation specific? Wouldn't such a change require
> changes to the current RFC?

Its not a silly question.

The allow_tix flag is 100% implementation specific.  There is no
standardized KDC database format nor is there a standardized kadmin

Jeffrey Altman
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