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Today's Topics:
1. Re: SCADA (Marcus J. Ranum)
2. Re: SCADA (Chris Blask)
3. Re: SCADA (Chris Blask)
4. Re: SCADA (Paul D. Robertson)
5. Re: SCADA (Marcus J. Ranum)
6. Re: SCADA (Paul D. Robertson)
7. Re: Who stay focused? (was: [Fwd: Question]) (Devdas Bhagat)
8. Re: SCADA (Brian Loe)
9. Re: SCADA (Brian Loe)
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Message: 1
Date: Wed, 15 Apr 2009 21:41:03 -0500
From: "Marcus J. Ranum" <mjr@ranum.com>
Subject: Re: [fw-wiz] SCADA
To: Firewall Wizards Security Mailing List
<firewall-wizards@listserv.icsalabs.com>
Message-ID: <49E69ABF.30906@ranum.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Brian Loe wrote:
> The question is, do you connect
> your SCADA network to your corporate network and therefore the
> Internet. The answer was and is, IMO, NO!!!
#ifdef PURIST
Brian's response here is perfect and nuanced. You'll
notice that he implicitly introduces transitive trust
as a given in "and therefore..."
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