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Network Security NTBugtraq
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Re: kerberos!

Subject: Re: kerberos!
Date: Mon, 13 Sep 2004 08:50:54 +0200
Regarding all the mails regarding Kerberos and NTLM, I would like to add one
additional remark.

I see that one important feature is also missing in the Windows 2000/2003
environment: the ability to audit what type of authentication is used by the
clients.

Say I want to eliminate NTLM V1 & Lanmanager.
If I'm able to audit all the users that still use thes types of
authentication protocols (Win9x, Samba, NAS appliances), I can warn them and
take appropriate action before actually shutting down the protocol. However
at this moment I'm unable to see what type of logon-requests are still used
by the clients, so I'm unable to contact the persons and warn them before
actually upgrading the security policy.

So I would be nice to be able to audit which of the users/machines is still
using the Lanmanager or NTLM V1 authentication protocol to be able to safely
disable these protocols without causing a lot of problems the day you
disable them.

At this moment you can only audit who is using Kerberos and who is using
Lanmanager/NTLM V1/NTLM V2. The different levels of NTLM/Lanmanager cannot
be audited, so it is therefor impossible to see who is still using NTLMV1
and Lanmanager in a Windows 2000/2003 environment.


Regards,

Frank

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