What port does MQTT use?

MQTT uses port 1883, 8883 by default.

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Message Queuing Telemetry Transport

Q: What is Message Queuing Telemetry Transport?

Message Queuing Telemetry Transport (MQTT) is a Application Layer protocol in the Messaging category. Lightweight publish-subscribe messaging protocol designed for IoT and constrained devices. Minimizes bandwidth and battery usage with small packet overhead.

Application Layer — Messaging

Aperçu du protocole

Nom complet Message Queuing Telemetry Transport

Abréviation MQTT

Couche OSI Application Layer

Catégorie Messaging

Port par défaut 1883, 8883

À propos MQTT

Lightweight publish-subscribe messaging protocol designed for IoT and constrained devices. Minimizes bandwidth and battery usage with small packet overhead.

Application Layer Messaging Port 1883, 8883

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