Full Disclosure mailing list archives

RE: Administrivia: Testing Emergency Virus Filter..


From: Paul Schmehl <pauls () utdallas edu>
Date: Wed, 20 Aug 2003 20:41:25 -0500

--On Thursday, August 21, 2003 11:56:15 +1200 Nick FitzGerald <nick () virus-l demon co uk> wrote:

2.  I suspect that Mr Turing and a his halting problem will intervene
in any attempt to devise a foolproof "this message contains an
attachment" mechanism.  The obvious choice to break any such system is
steganographic encoding of a binary stream into a text message.  It may
be grossly inefficient, but do you think that really matters?

Dammit, Nick, you just *had* to interrupt my reverie, didn't you?  :-)

Paul Schmehl (pauls () utdallas edu)
Adjunct Information Security Officer
The University of Texas at Dallas
AVIEN Founding Member
http://www.utdallas.edu

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