Great Circle Associates Firewalls
(October 1996)
 

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Subject: Re: NT Server and C2 security
From: "K.M. Goertzel" <goertzek @ wangfed . com>
Date: Fri, 11 Oct 96 10:05:40 -0400
To: morgan @ engr . uky . edu, firewalls @ GreatCircle . COM
Reply-to: "K.M. Goertzel" <goertzek @ wangfed . com>

I'm still trying to figure out what is meant by the claims in some of the press 
releases from Microsoft on their C2 evaluation - these claims say that NT is 
*actually* compliant with B2 capabilities, but that Microsoft decided to only 
submit it for C2 evaluation.

Does this mean that NT enforces a Mandatory Access Control policy based on the 
Bell-LaPadula model?  If so, which release of NT does this - certainly not the 
one we're running on our LAN.  Also, I presume this claim to mean Microsoft has 
done a covert channel analysis.  Why, I wonder, if they'd gone to all the 
trouble of doing the covert channel analysis and including the MLS Trusted 
Computing Base in NT did they settle for a C2 evaluation?  And if they really do
have these claimed B2 capabilities, why are there two vendors in California 
struggling to "B2-ise" NT?



=====

K.M. Goertzel * Manager, Business Development
Secure Systems & Services Operation * WANG FEDERAL, Inc.
tel (703)827 3914 * fax (703)827 3161 * email goertzek @
 wangfed .
 com

"An elephant:  a mouse built to government specifications"
                                         - Robert Heinlein


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