Prematurely locked out by Active Directory

Douglas E. Engert deengert at anl.gov
Wed Jan 6 17:31:34 EST 2010



Warren Jones wrote:
> Our site has configured Active Directory so that an account is
> temporarily locked after five consecutive failed login attempts.  This
> works as expected when I authenticate from a Linux box running MIT
> Kerberos 1.6.3.  However, I've noticed a change after updating to
> version 1.7:  My account is now locked after a single failed login
> attempt, using either kinit or pam_krb5.
> 
> Has anyone else run into this?
> 
> I've tried the following combinations:
> 
>    OS              MIT Kerberos   Results
>    -------------   ------------   --------------------------------
>    openSUSE 11.0   1.6.3-50.5     works as expected
>    openSUSE 11.2   1.6.3-132.1    works as expected
>    openSUSE 11.2   1.7-6.1        account locked after one failure
>    openSUSE 11.2   1.7-15.1       account locked after one failure
> 
> Any insights will be much appreciated.

I had seen that during testing, and used the attached patch to get around it.


> 

-- 

  Douglas E. Engert  <DEEngert at anl.gov>
  Argonne National Laboratory
  9700 South Cass Avenue
  Argonne, Illinois  60439
  (630) 252-5444
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