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Session Traversal Utilities for NAT (STUN) Extension for Third-Party Authorization (RFC7635) Disclosure Number: IPCOM000242893D
Original Publication Date: 2015-Aug-01
Included in the Prior Art Database: 2015-Aug-27
Document File: 48 page(s) / 52K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

T. Reddy: AUTHOR [+4]


Session Traversal Utilities for NAT (STUN) [RFC5389] provides a mechanism to control access via 'long-term' username/password credentials that are provided as part of the STUN protocol. It is expected that these credentials will be kept secret; if the credentials are discovered, the STUN server could be used by unauthorized users or applications. However, in web applications like WebRTC [WEBRTC] where JavaScript uses the browser functionality for making real-time audio and/or video calls, web conferencing, and direct data transfer, ensuring this secrecy is typically not possible.

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Internet Engineering Task Force (IETF)                          T. Reddy Request for Comments: 7635                                      P. Patil Category: Standards Track                                R. Ravindranath ISSN: 2070-1721                                                    Cisco                                                                J. Uberti                                                                   Google                                                              August 2015

           Session Traversal Utilities for NAT (STUN) Extension                      for Third-Party Authorization


   This document proposes the use of OAuth 2.0 to obtain and validate    ephemeral tokens that can be used for Session Traversal Utilities for    NAT (STUN) authentication.  The usage of ephemeral tokens ensures    that access to a STUN server can be controlled even if the tokens are    compromised.

Status of This Memo

   This is an Internet Standards Track document.

   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).  Further information on    Internet Standards is available in 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

Copyright Notice

   Copyright (c) 2015 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    ( 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.

Reddy, et al.                Standards Track                    [Page 1]
 RFC 7635           STUN for Third-Party Authorization        August 2015

 Table of Contents

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

   2.  Terminology . . . . . . . . . . . . . ....