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Network Security CISSP-Discussion
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[CISSP-D] re: [CISSP-Discuss] SSL - wher in the OSI model

Subject: [CISSP-D] re: [CISSP-Discuss] SSL - wher in the OSI model
Date: Tue, 9 Nov 2004 12:49:33 -0500


The standard it self states that SSL sits on top of a reliable transport
mechanism.  Does it mean it is part of the transport or the session layer,
the standard it self does not say exactly?  Does it means that it is in
between, who knows, the standard does not say either.

If you look at SSL in detail, you will that there is a sub protocol at the
application layer that is part of SSL and SSL itself sits on top of a
reliable transport mechanism.


Clement

   ***** MODERATOR'S NOTE:
   This question seems to come up over and over again. There is no cut and 
dried answer. Remember that the OSI Model is just that - a MODEL. There is no 
requirement for an application or protocol to fit smoothly into one layer 
versus another. 

   If this question were to appear on an exam, I would answer it as best you 
can and complete one of the forms provided at the exam which allows you to 
contest a question. Contesting it won't change your grade on the question, but 
it will bring a bad question to the attention of the test coordinators and 
perhaps get it reworded or removed from future test booklets.

  Kate Wakefield, CISSP
  CISSP-Discuss co-moderator





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