RFC 3414 (rfc3414) - Page 1 of 88
User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)
Alternative Format: Original Text Document
Network Working Group U. Blumenthal
Request for Comments: 3414 B. Wijnen
STD: 62 Lucent Technologies
Obsoletes: 2574 December 2002
Category: Standards Track
User-based Security Model (USM) for version 3 of the
Simple Network Management Protocol (SNMPv3)
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) The Internet Society (2002). All Rights Reserved.
Abstract
This document describes the User-based Security Model (USM) for
Simple Network Management Protocol (SNMP) version 3 for use in the
SNMP architecture. It defines the Elements of Procedure for
providing SNMP message level security. This document also includes a
Management Information Base (MIB) for remotely monitoring/managing
the configuration parameters for this Security Model. This document
obsoletes RFC 2574.
Table of Contents
1. Introduction.......................................... 4
1.1. Threats............................................... 4
1.2. Goals and Constraints................................. 6
1.3. Security Services..................................... 6
1.4. Module Organization................................... 7
1.4.1. Timeliness Module..................................... 8
1.4.2. Authentication Protocol............................... 8
1.4.3. Privacy Protocol...................................... 8
1.5. Protection against Message Replay, Delay
and Redirection....................................... 9
1.5.1. Authoritative SNMP engine............................. 9
1.5.2. Mechanisms............................................ 9
1.6. Abstract Service Interfaces........................... 11
Blumenthal & Wijnen Standards Track