Firewall Wizards mailing list archives

Re: The Mathematics of Relative Security


From: Mark Tinberg <mtinberg () securepipe com>
Date: Sat, 25 Sep 2004 18:03:14 -0500 (CDT)

On Tue, 21 Sep 2004, Chris Pugrud wrote:

TCP also introduces a wrinkle that is not easily covered by the set theory I
have learned, or I'm missing something - the concept of one-way membership.  If

I may wish to point out at this point that TCP connections are generally 
bidirectional.  A may only be able to initiate to B, but once that 
connection is established B can send potentially malicious data back to A.  
See vulnerabilities in web client software for an example of this 
practice.

--
Mark Tinberg
SecurePipe, Inc.
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