Transport Layer Security Verion 1.3 (TLS 1.3) Transport Model for the
draft-vaughn-tlstm-update-00
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Kenneth Vaughn
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2021-03-29
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Internet Engineering Task Force K. Vaughn, Ed.
Internet-Draft Trevilon LLC
Obsoletes: 6353 (if approved) 29 March 2021
Intended status: Standards Track
Expires: 30 September 2021
Transport Layer Security Verion 1.3 (TLS 1.3) Transport Model for the
Simple Network Management Protocol Version 3 (SNMPv3)
draft-vaughn-tlstm-update-00
Abstract
describes a Transport Model for the Simple Network Management
Protocol Version 3 (SNMPv3) that uses Transport Layer Security
Version 1.3 (TLS 1.3). TLS 1.3 provides authentication and privacy
services for SNMPv3 applications. This document describes how the
TLS 1.3 Transport Model (TLSTM 1.3) implements the needed features of
an SNMPv3 Transport Subsystem to make this protection possible in an
interoperable way.
This Transport Model is designed to meet the security and operational
needs of network administrators. It supports the sending of SNMP
messages over TLS/TCP. TLS integrates well into existing public key
infrastructures.
This document also defines a portion of the Management Information
Base (MIB) for use with network management protocols. In particular,
it defines objects for managing TLSTM for SNMP.
This document obsoletes RFC 6353 (if approved).
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
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on 30 September 2021.
Vaughn Expires 30 September 2021 [Page 1]
Internet-Draft TLS 1.3 Transport Model for SNMP March 2021
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than English.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1. Conventions . . . . . . . . . . . . . . . . . . . . . . . 6
1.2. Changes Since RFC 6353 . . . . . . . . . . . . . . . . . 7
2. The Transport Layer Security Protocol . . . . . . . . . . . . 8
3. How the TLSTM Fits into the Transport Subsystem . . . . . . . 9
3.1. Security Capabilities of This Model . . . . . . . . . . . 11
3.1.1. Threats . . . . . . . . . . . . . . . . . . . . . . . 11
3.1.2. Message Protection . . . . . . . . . . . . . . . . . 12
3.1.3. TLS Connections . . . . . . . . . . . . . . . . . . . 13
3.2. Security Parameter Passing . . . . . . . . . . . . . . . 13
3.3. Notifications and Proxy . . . . . . . . . . . . . . . . . 14
4. Elements of the Model . . . . . . . . . . . . . . . . . . . . 15
4.1. X.509 Certificates . . . . . . . . . . . . . . . . . . . 15
4.1.1. Provisioning for the Certificate . . . . . . . . . . 15
4.2. TLS Usage . . . . . . . . . . . . . . . . . . . . . . . . 17
4.3. SNMP Services . . . . . . . . . . . . . . . . . . . . . . 17
4.3.1. SNMP Services for an Outgoing Message . . . . . . . . 17
4.3.2. SNMP Services for an Incoming Message . . . . . . . . 18
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