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I-D ACTION:draft-ietf-sipping-e2m-sec-reqs-00.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Session Initiation Proposal Investigation Working Group of the IETF.

	Title		: Requirements for End-to-middle Security for the Session Initiation Protocol (SIP)
	Author(s)	: K. Ono, S. Tachimoto
	Filename	: draft-ietf-sipping-e2m-sec-reqs-00.txt
	Pages		: 15
	Date		: 2003-10-23
	
A SIP UA does not always trust all proxy servers in a request path to
decide whether to inspect the message bodies and/or headers contained
in a message. The UA might want to protect the message bodies and/or
headers from proxy servers excluding the particular proxy that
provides some features based on reading them.  This situation
requires a mechanism for securing information passed between the UA
and an intermediary proxy, also called

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