--
 Mark Hennessy

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Alan DeKok
Sent: Thursday, February 26, 2004 9:58 PM
To: [EMAIL PROTECTED]
Subject: Re: Cisco 7200 Series and PPPoE 

"Mark Hennessy" <[EMAIL PROTECTED]> wrote:
> But there is a password configured for that user, that user would
> have been able to check the password just fine if they connected
> through the redback.

  <shrug>  Then something's wrong with the Cisco box.

It looks like changing the shared secret to a string of 10 characters instead
of 11 in the RADIUS server and the NAS fixed the password deciphering
problem.  I am now getting accounting records.  All accounting records are
generated by that NAS of course?

> How would it even be possible to get the username etc if the shared
> secret was wrong?

  Because the packets aren't encrypted with the shared secret.
They're not encrypted at all.

I was working under a misunderstanding of the purpose of the shared secret.
If I read what you wrote correctly, the shared secret's sole purpose is to
encipher/decipher the password so it was not sent in the clear over the
network.  I thought it had a role in NAS/RADIUS server authentication as well
for some strange reason.  Serves me right for not RTFM well enough.

  Alan DeKok.

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