Network Configuration Access Control Module
draft-ietf-netconf-rfc6536bis-09

Document Type Active Internet-Draft (netconf WG)
Last updated 2017-12-14 (latest revision 2017-12-11)
Replaces draft-bierman-netconf-rfc6536bis
Stream IETF
Intended RFC status Internet Standard
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Stream WG state Submitted to IESG for Publication (wg milestone: Oct 2017 - Submit RFC 6536bis t... )
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Send notices to Mahesh Jethanandani <mjethanandani@gmail.com>
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Internet Engineering Task Force                               A. Bierman
Internet-Draft                                                 YumaWorks
Obsoletes: 6536 (if approved)                               M. Bjorklund
Intended status: Standards Track                          Tail-f Systems
Expires: June 14, 2018                                 December 11, 2017

              Network Configuration Access Control Module
                    draft-ietf-netconf-rfc6536bis-09

Abstract

   The standardization of network configuration interfaces for use with
   the Network Configuration Protocol (NETCONF) or RESTCONF protocol
   requires a structured and secure operating environment that promotes
   human usability and multi-vendor interoperability.  There is a need
   for standard mechanisms to restrict NETCONF or RESTCONF protocol
   access for particular users to a pre-configured subset of all
   available NETCONF or RESTCONF protocol operations and content.  This
   document defines such an access control model.

   This document obsoletes RFC 6536.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on June 14, 2018.

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

Bierman & Bjorklund       Expires June 14, 2018                 [Page 1]
Internet-Draft                    NACM                     December 2017

   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
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Changes Since RFC 6536  . . . . . . . . . . . . . . . . .   6
   2.  Access Control Design Objectives  . . . . . . . . . . . . . .   6
     2.1.  Access Control Points . . . . . . . . . . . . . . . . . .   6
     2.2.  Simplicity  . . . . . . . . . . . . . . . . . . . . . . .   7
     2.3.  Procedural Interface  . . . . . . . . . . . . . . . . . .   8
     2.4.  Datastore Access  . . . . . . . . . . . . . . . . . . . .   8
     2.5.  Users and Groups  . . . . . . . . . . . . . . . . . . . .   8
     2.6.  Maintenance . . . . . . . . . . . . . . . . . . . . . . .   8
     2.7.  Configuration Capabilities  . . . . . . . . . . . . . . .   8
     2.8.  Identifying Security-Sensitive Content  . . . . . . . . .   9
   3.  NETCONF Access Control Model (NACM) . . . . . . . . . . . . .   9
     3.1.  Introduction  . . . . . . . . . . . . . . . . . . . . . .   9
       3.1.1.  Features  . . . . . . . . . . . . . . . . . . . . . .  10
       3.1.2.  External Dependencies . . . . . . . . . . . . . . . .  10
       3.1.3.  Message Processing Model  . . . . . . . . . . . . . .  11
     3.2.  Datastore Access  . . . . . . . . . . . . . . . . . . . .  14
       3.2.1.  Mapping New Datastores to NACM  . . . . . . . . . . .  14
       3.2.2.  Access Rights . . . . . . . . . . . . . . . . . . . .  14
       3.2.3.  RESTCONF Methods  . . . . . . . . . . . . . . . . . .  15
       3.2.4.  <get> and <get-config> Operations . . . . . . . . . .  16
       3.2.5.  <edit-config> Operation . . . . . . . . . . . . . . .  16
       3.2.6.  <copy-config> Operation . . . . . . . . . . . . . . .  18
       3.2.7.  <delete-config> Operation . . . . . . . . . . . . . .  18
       3.2.8.  <commit> Operation  . . . . . . . . . . . . . . . . .  18
       3.2.9.  <discard-changes> Operation . . . . . . . . . . . . .  19
       3.2.10. <kill-session> Operation  . . . . . . . . . . . . . .  19
     3.3.  Model Components  . . . . . . . . . . . . . . . . . . . .  19
       3.3.1.  Users . . . . . . . . . . . . . . . . . . . . . . . .  19
       3.3.2.  Groups  . . . . . . . . . . . . . . . . . . . . . . .  19
       3.3.3.  Emergency Recovery Session  . . . . . . . . . . . . .  20
       3.3.4.  Global Enforcement Controls . . . . . . . . . . . . .  20
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