Using the NETCONF Protocol over Transport Layer Security (TLS) with Mutual X.509 Authentication
RFC 7589

Document Type RFC - Proposed Standard (June 2015; No errata)
Obsoletes RFC 5539
Last updated 2015-10-14
Replaces draft-badra-netconf-rfc5539bis
Stream IETF
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Stream WG state Submitted to IESG for Publication
Document shepherd Mehmet Ersue
Shepherd write-up Show (last changed 2015-02-19)
IESG IESG state RFC 7589 (Proposed Standard)
Consensus Boilerplate Yes
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Responsible AD Benoit Claise
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IANA IANA review state Version Changed - Review Needed
IANA action state RFC-Ed-Ack
Internet Engineering Task Force (IETF)                          M. Badra
Request for Comments: 7589                              Zayed University
Obsoletes: 5539                                                A. Luchuk
Category: Standards Track                            SNMP Research, Inc.
ISSN: 2070-1721                                         J. Schoenwaelder
                                                Jacobs University Bremen
                                                               June 2015

     Using the NETCONF Protocol over Transport Layer Security (TLS)
                    with Mutual X.509 Authentication

Abstract

   The Network Configuration Protocol (NETCONF) provides mechanisms to
   install, manipulate, and delete the configuration of network devices.
   This document describes how to use the Transport Layer Security (TLS)
   protocol with mutual X.509 authentication to secure the exchange of
   NETCONF messages.  This revision of RFC 5539 documents the new
   message framing used by NETCONF 1.1 and it obsoletes RFC 5539.

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
   http://www.rfc-editor.org/info/rfc7589.

Badra, et al.                Standards Track                    [Page 1]
RFC 7589                    NETCONF over TLS                   June 2015

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
   (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.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Connection Initiation . . . . . . . . . . . . . . . . . . . .   3
   3.  Message Framing . . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Connection Closure  . . . . . . . . . . . . . . . . . . . . .   4
   5.  Certificate Validation  . . . . . . . . . . . . . . . . . . .   4
   6.  Server Identity . . . . . . . . . . . . . . . . . . . . . . .   4
   7.  Client Identity . . . . . . . . . . . . . . . . . . . . . . .   4
   8.  Cipher Suites . . . . . . . . . . . . . . . . . . . . . . . .   6
   9.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   10. IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .   8
     11.1.  Normative References . . . . . . . . . . . . . . . . . .   8
     11.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Appendix A.  Changes from RFC 5539  . . . . . . . . . . . . . . .  10
   Acknowledgements  . . . . . . . . . . . . . . . . . . . . . . . .  10
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

Badra, et al.                Standards Track                    [Page 2]
RFC 7589                    NETCONF over TLS                   June 2015

1.  Introduction

   The NETCONF protocol [RFC6241] defines a mechanism through which a
   network device can be managed.  NETCONF is connection-oriented,
   requiring a persistent connection between peers.  This connection
   must provide integrity, confidentiality, peer authentication, and
   reliable, sequenced data delivery.

   This document defines how NETCONF messages can be exchanged over
   Transport Layer Security (TLS) [RFC5246].  Implementations MUST
   support mutual TLS certificate-based authentication [RFC5246].  This
   assures the NETCONF server of the identity of the principal who
   wishes to manipulate the management information.  It also assures the
   NETCONF client of the identity of the server for which it wishes to
   manipulate the management information.

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
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