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Transport Layer Security (TLS) Application-Layer Protocol Negotiation Extension (RFC7301) Disclosure Number: IPCOM000237800D
Original Publication Date: 2014-Jul-01
Included in the Prior Art Database: 2014-Jul-12
Document File: 18 page(s) / 18K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Friedl: AUTHOR [+3]


Increasingly, application-layer protocols are encapsulated in the TLS protocol [RFC5246]. This encapsulation enables applications to use the existing, secure communications links already present on port 443 across virtually the entire global IP infrastructure.

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Internet Engineering Task Force (IETF)                         S. Friedl Request for Comments: 7301                           Cisco Systems, Inc. Category: Standards Track                                       A. Popov ISSN: 2070-1721                                          Microsoft Corp.                                                               A. Langley                                                              Google Inc.                                                               E. Stephan                                                                   Orange                                                                July 2014

                      Transport Layer Security (TLS)             Application-Layer Protocol Negotiation Extension


   This document describes a Transport Layer Security (TLS) extension    for application-layer protocol negotiation within the TLS handshake.    For instances in which multiple application protocols are supported    on the same TCP or UDP port, this extension allows the application    layer to negotiate which protocol will be used within the TLS    connection.

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

Friedl, et al.               Standards Track                    [Page 1]
 RFC 7301         TLS App-Layer Protocol Negotiation Ext        July 2014

 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 Simpli...