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User-Agent-Driven Privacy Mechanism for SIP (RFC5767)

IP.com Disclosure Number: IPCOM000195347D
Original Publication Date: 2010-Apr-01
Included in the Prior Art Database: 2010-Apr-30
Document File: 22 page(s) / 23K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Munakata: AUTHOR [+3]

Abstract

[RFC3323] defines a privacy mechanism for the Session Initiation Protocol (SIP) [RFC3261], based on techniques available at the time of its publication. This mechanism relies on the use of a separate privacy service to remove privacy-sensitive information from SIP messages sent by a User Agent (UA) before forwarding those messages to the final destination. Since then, numerous SIP extensions have been proposed and standardized. Some of those enable a UA to withhold its user's identity and related information without the need for privacy services, which was not possible when RFC 3323 was defined.

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Internet Engineering Task Force (IETF)                       M. Munakata Request for Comments: 5767                                   S. Schubert Category: Informational                                          T. Ohba ISSN: 2070-1721                                                      NTT                                                               April 2010

               User-Agent-Driven Privacy Mechanism for SIP

Abstract

   This document defines a guideline for a User Agent (UA) to generate    an anonymous Session Initiation Protocol (SIP) message by utilizing    mechanisms such as Globally Routable User Agent URIs (GRUUs) and    Traversal Using Relays around NAT (TURN) without the need for a    privacy service defined in RFC 3323.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for informational purposes.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Not all documents    approved by the IESG are a candidate for any level of Internet    Standard; see Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc5767.

Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

 Munakata, et al.              Informational                     [Page 1]
 RFC 5767           UA-Driven Privacy Mechanism for SIP        April 2010

 Table of Contents

   1. Introduction ....................................................2

   2. Terminology .....................................................3

   3. Concept of Privacy ..............................................3

   4. Treatment of Privacy-Sensitive Information ......................3

      4.1. Obtaining a Functional Anon...