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Status:

PROPOSED STANDARD

Authors:

C. Sengul
A. Kirby

Stream:

IETF

Source:

ace (sec)

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DOI:  https://doi.org/10.17487/RFC9431

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Abstract

This document specifies a profile for the Authentication andAuthorization for Constrained Environments (ACE) framework to enableauthorization in a publish-subscribe messaging system based onMessage Queuing Telemetry Transport (MQTT). Proof-of-Possession keys,bound to OAuth 2.0 access tokens, are used to authenticate andauthorize MQTT Clients. The protocol relies on TLS forconfidentiality and MQTT server (Broker) authentication.

For the definition ofStatus,seeRFC 2026.

For the definition ofStream, seeRFC 8729.