I-D ACTION:draft-barnes-sipping-sec-inserted-info-00.txt

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


	Title		: A Mechanism to Secure SIP Identity headers inserted by
                          Intermediaries
	Author(s)	: M. Barnes
	Filename	: draft-barnes-sipping-sec-inserted-info-00.txt
	Pages		: 9
	Date		: 2003-6-24
	
This draft defines a standard mechanism for securing SIP headers that 
are inserted into requests and responses. The fundamental 
requirements, for securing the headers inserted by an intermediary 
routing or retargeting a request or response, are summarized.  The 
solution is directed towards headers that contain identity related 
information, such as Record-Route, Via, and History-Info. The 
proposed solution defines an Authenticated Inserted Identity Header 
Body based on S/MIME to secure the headers. This mechanism is 
optional, however, the use of it enhances the overall security of SIP 
by ensuring the integrity of the inserted headers.

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