What are the 3 heads of Kerberos?

[Zafar Baig]

I think the three heads represent the client, server and KDC in Kerberos.

And not to forget are actually 4 A's for Kerberos: Authentication,
Authorization, Auditing/Acounting, Administration.

Zafar

-----Original Message-----
From: Sam Hartman [mailto:hartmans at mit.edu]
Sent: Thursday, May 30, 2002 11:02 AM
To: Sean Krulewitch
Cc: kerberos at mit.edu
Subject: Re: What are the 3 heads of Kerberos?


>>>>> "Sean" == Sean Krulewitch <krulewit-news.59dfb5 at myprivacy.iu.edu>
writes:

    Sean> OK, I've heard three different definitions for the "3 heads"
    Sean> of Kerberos, which is generally accepted?

    Sean> 1. Authentication, Authorization, Accounting were the inital
    Sean> three goals of Kerberos, however they only delivered on the
    Sean> first, but the name stuck

    Sean> 2. The three heads are the two principals and the KDC
    Sean> (client, server, KDC)

Mark is certainly correct that AAA (although I think A tended to stand
for auditing back then) was the symbolic link for the heads.

I have at least heard the second interpretation before, and it seems
to have some value if we don't want to change the icon to a head and
two bloody stumps.  Unfortunately I cannot remember where I heard the
second interpretation; certainly not here at MIT.

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