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I-D ACTION:draft-puthenkulam-eap-binding-02.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.


	Title		: The Compound Authentication Binding Problem
	Author(s)	: J. Puthenkulam et. al.
	Filename	: draft-puthenkulam-eap-binding-02.txt
	Pages		: 39
	Date		: 2003-3-7
	
There are several motivations for using compound authentication methods
using tunnels, but man-in-the-middle attacks are possible in certain 
circumstances when they are used, without cryptographically binding the 
methods together. Several protocols currently being proposed within the 
IETF are vulnerable to these attacks, including IKE with XAUTH, PIC, 
PANA over TLS, EAP TTLS, and PEAP. This document studies the problems 
and suggests potential solutions to mitigate them.

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