Remote Authentication Dial-In User Service (RADIUS) Usage for Simple Network Management Protocol (SNMP) Transport Models
RFC 5608

 
Document Type RFC - Proposed Standard (August 2009; Errata)
Last updated 2013-03-02
Replaces draft-narayan-isms-sshsm-radius
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Network Working Group                                         K. Narayan
Request for Comments: 5608                           Cisco Systems, Inc.
Category: Standards Track                                      D. Nelson
                                                   Elbrys Networks, Inc.
                                                             August 2009

     Remote Authentication Dial-In User Service (RADIUS) Usage for
       Simple Network Management Protocol (SNMP) Transport Models

Abstract

   This memo describes the use of a Remote Authentication Dial-In User
   Service (RADIUS) authentication and authorization service with Simple
   Network Management Protocol (SNMP) secure Transport Models to
   authenticate users and authorize creation of secure transport
   sessions.  While the recommendations of this memo are generally
   applicable to a broad class of SNMP Transport Models, the examples
   focus on the Secure Shell (SSH) Transport Model.

Status of This Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Copyright Notice

   Copyright (c) 2009 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 (http://trustee.ietf.org/license-info).
   Please review these documents carefully, as they describe your rights
   and restrictions with respect to this document.

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may

Narayan & Nelson            Standards Track                     [Page 1]
RFC 5608         RADIUS Usage for SNMP Transport Models      August 2009

   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ....................................................2
      1.1. General ....................................................2
      1.2. Requirements Language ......................................3
      1.3. System Block Diagram .......................................3
      1.4. RADIUS Operational Model ...................................3
      1.5. RADIUS Usage with Secure Transports ........................5
      1.6. Domain of Applicability ....................................5
      1.7. SNMP Transport Models ......................................6
   2. RADIUS Usage for SNMP Transport Models ..........................7
      2.1. RADIUS Authentication for Transport Protocols ..............8
      2.2. RADIUS Authorization for Transport Protocols ...............8
      2.3. SNMP Service Authorization .................................9
   3. Table of Attributes ............................................11
   4. Security Considerations ........................................12
   5. Acknowledgements ...............................................13
   6. References .....................................................13
      6.1. Normative References ......................................13
      6.2. Informative References ....................................13

1.  Introduction

1.1.  General

   This memo describes the use of a Remote Authentication Dial-In User
   Service (RADIUS) authentication and authorization service by Simple
   Network Management Protocol (SNMP) secure Transport Models to
   authenticate users and authorize creation of secure transport
   sessions.  While the recommendations of this memo are generally
   applicable to a broad class of SNMP Transport Models, the examples
   focus on the Secure Shell Transport Model.

   In the context of this document, a Network Access Server (NAS) is a
   network device or host that contains an SNMP engine implementation,
   utilizing SNMP Transport Models.  It is customary in SNMP documents
   to indicate which subsystem performs specific processing tasks.  In
   this document, we leave such decisions to the implementer, as is
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