allowing SSO for other hosts

Wyllys Ingersoll wyllys.ingersoll at sun.com
Thu Jan 12 17:26:02 EST 2006


Fredrik Tolf wrote:
>  On Mon, 2006-01-09 at 09:28 -0600, Douglas E. Engert wrote:
> > Rodrick Brown wrote:
> >> ktadd user/foo1.bar.com
> > Not heeded, users are not in keytabs.
>
>  In my experience, that's not just unneeded, but even detrimental.
>  When I did that on my MIT KDC (in order to be able to get a TGT with
>  kinit -kt ...), it increased the principal's kvno and put a random
>  key on that principal, which meant that it wasn't possible to decrypt
>  the TGT using a password anymore.


You are correct.  Putting a key in the keytab automatically changes the
password for that key, so you usually never want to do that for a user 
principal.


-Wyllys




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