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Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP) (RFC8143)

IP.com Disclosure Number: IPCOM000249880D
Original Publication Date: 2017-Apr-01
Included in the Prior Art Database: 2017-Apr-22
Document File: 26 page(s) / 29K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Elie: AUTHOR

Abstract

The Network News Transfer Protocol (NNTP) [RFC3977] has been using Transport Layer Security (TLS) [RFC5246] along with its precursor, Secure Sockets Layer (SSL), since at least the year 2000. The use of TLS in NNTP was formalized in [RFC4642], providing implementation recommendations at the same time. In order to address the evolving threat model on the Internet today, this document provides stronger recommendations regarding that use.

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Internet Engineering Task Force (IETF)                           J. Elie Request for Comments: 8143                                    April 2017 Updates: 4642 Category: Standards Track ISSN: 2070-1721

                   Using Transport Layer Security (TLS)                with Network News Transfer Protocol (NNTP)

Abstract

   This document provides recommendations for improving the security of    the Network News Transfer Protocol (NNTP) when using Transport Layer    Security (TLS).  It modernizes the NNTP usage of TLS to be consistent    with TLS best current practices.  This document updates RFC 4642.

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 7841.

   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/rfc8143.

Copyright Notice

   Copyright (c) 2017 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.

 Elie                         Standards Track                    [Page 1]
 RFC 8143                   Using TLS with NNTP                April 2017

 Table of Contents

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

     1.1.  Conventions Used in This Document . . . . . . . . . . . .   3

   2.  Updates/Changes to RFC 4642 . . . . . . . . . . . . . . . . .   3

   3.  Recommendations . . . . . . . . . . . . . . . . . . . . . . .   4

     3.1.  Compression . . . . . . . . . . . . . . . . . . . . . . .   4

     3.2.  Protocol Versions and Security Preferences  . . . . . . .   4

     3.3.  Server Name Indication  . . . . . . . . . . . . . . . . .   5

     3.4.  Prevention of SSL Stripping . . . . . . . . . . . . . . .   5

     3.5.  Authenticated Connections . . . . . . . . . . ....