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UDP Transport Layer (UDPTL) over Datagram Transport Layer Security (DTLS) (RFC7345) Disclosure Number: IPCOM000238376D
Original Publication Date: 2014-Aug-01
Included in the Prior Art Database: 2014-Aug-21
Document File: 46 page(s) / 43K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

C. Holmberg: AUTHOR [+2]


While it is possible to transmit highly sensitive documents using traditional telephony encryption devices, secure fax on the Public Switched Telephone Network (PSTN) was never widely considered or prioritized. This was mainly because of the challenges involved with malevolent physical access to telephony equipment. As real-time communications transition to IP networks, where information might potentially be intercepted or spoofed, an appropriate level of security for fax that offers integrity and confidentiality protection is vital.

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Internet Engineering Task Force (IETF)                       C. Holmberg Request for Comments: 7345                                   I. Sedlacek Category: Standards Track                                       Ericsson ISSN: 2070-1721                                             G. Salgueiro                                                                    Cisco                                                              August 2014

                       UDP Transport Layer (UDPTL)              over Datagram Transport Layer Security (DTLS)


   This document specifies how the UDP Transport Layer (UDPTL) protocol,    the predominant transport protocol for T.38 fax, can be transported    over the Datagram Transport Layer Security (DTLS) protocol, how the    usage of UDPTL over DTLS is indicated in the Session Description    Protocol (SDP), and how UDPTL over DTLS is negotiated in a session    established using the Session Initiation Protocol (SIP).

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) 2014 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.

Holmberg, et al.             Standards Track                    [Page 1]
 RFC 7345                     UDPTL over DTLS                 August 2014

 Table of Contents

   1. Introduction ....................................................3

   2. Conventions .................................................