Re: [kitten] PKCROSS and philosophical tangents...

Russ Allbery <eagle@eyrie.org> Sun, 16 February 2014 21:22 UTC

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From: Russ Allbery <eagle@eyrie.org>
To: "Nordgren, Bryce L -FS" <bnordgren@fs.fed.us>
In-Reply-To: <82E7C9A01FD0764CACDD35D10F5DFB6E68E044@001FSN2MPN1-045.001f.mgd2.msft.net> (Bryce L. Nordgren's message of "Sun, 16 Feb 2014 21:18:07 +0000")
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Date: Sun, 16 Feb 2014 13:22:27 -0800
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Subject: Re: [kitten] PKCROSS and philosophical tangents...
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"Nordgren, Bryce L -FS" <bnordgren@fs.fed.us> writes:

>> Password changes are interoperable provided that they're limited to
>> operations that can be performed via the kpasswd protocol (and provided
>> you can deal with the kpasswd protocol, which is rather broken, but
>> usually workable in practice provided everyone understands the required
>> assumptions).

> Please excuse the noob question. Was looking for this and found:
> * draft-ietf-cat-kerb-chg-password-02 (appears dead as of 1998)
> * RFC3244 (Informational/Microsoft implementation)
> * draft-ietf-krb-wg-kerberos-set-passwd-08 (appears dead as of 2008 but
>   is referenced in 2013-era RFC6880)

> I didn't find an actual standards track RFC kpasswd document...Could you
> point me at the kpasswd protocol definition?

RFC 3244 is the one that everyone uses, I think.  I'm not positive if
krb5_change_password is an alternative API to the same protocol or if it
tries an older protocol as well.

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