PPTP / L2TP with Kerberos -- what specs does it follow?

[Frank Cusack]

https://tools.ietf.org/html/draft-aboba-pppext-eapgss-12 maybe

On Wed, Nov 26, 2014 at 12:34 PM, Hugh Cole-Baker <sigmaris at gmail.com>
wrote:

>
> > On 26 Nov 2014, at 17:18, kerberos-request at mit.edu wrote:
> >
> > Hello,
> >
> > I was surprised to find Kerberos authentication for both PPTP and L2TP
> on Mac OS X.  I have been looking for specs, including for EAP, but failed
> to find any.  Am I overlooking sth?
> >
> > Thanks,
> > -Rick
> >
>
> Hi Rick,
>
> I was looking for information about this EAP mechanism, called EAP-KRB by
> Apple, a while ago but couldn’t find any published spec for it. I also
> looked in Apple’s open source projects, and found that the C files where it
> (would be) implemented have been truncated to remove all the actual code
> and only leave the headers. [1]
>
> It looks like it is a mechanism Apple have come up with but unfortunately
> have kept the details proprietary.
>
> [1]
> http://www.opensource.apple.com/source/ppp/ppp-786.1.1/Authenticators/EAP-KRB/
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