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Date: Thu, 12 Jun 2008 09:38:14 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: YANSWBVCG <daf@freebsd.org>
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Cc: David Naylor <naylor.b.david@gmail.com>, freebsd-questions@freebsd.org
Subject: Re: FreeBSD and User Security
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>>
>> David
>
> It is my understanding that since 1995 all computers must have a
> hardware back door that permits undetectable access by the government to
> the computer. This capability can be implemented using System
> Monitor(Maintenance) Mode which is built into all x86 computers now. It
> would appear that, if you are connected to the internet, the government
> has access to your computer.

if it were true, this "system maintenance mode" would have to access your 
network card in parallel with main OS without making conflicts