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Subject: The Sentry (was: New Cryptanalytic Results on AES Candidates)
From: Werner Koch (wkgnupg.org)
Date: Mon Apr 03 2000 - 13:55:51 CDT

On Sun, 2 Apr 2000, Bruce Schneier wrote:

> And while you're visiting, check out the rest of the Counterpane web
> site. We've just launched our new Managed Security Monitoring
> service. THIS is going to be big, really big.

Bruce,

what are you meaning by a (http://www.counterpane.com/whitepaper.html):

   The Sentry is built on top of a dedicated computer sitting on your
   network. This computer is provided by Counterpane, and runs a
   proprietary and secure version of Linux. The Sentry also contains
  ^^^^^^^^^^^^^
   self-monitoring software designed to detect attacks against itself and
   alert Socrates.

How can you keep a GNU/Linux system (or even the Linux Kernel) proprietary
while placing that system at a customer site? By providing the
binaries (even on the hard disk of an locked up box) you have to
provide the source code too.

Just curious,

  Werner

p.s.
Your service looks like a pretty nice system. 

-- 
Werner Koch				OpenPGP key 621CC013
OpenIT GmbH                             tel   +49 211 465357
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D-40233 Düsseldorf                      http://www.openit.de