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

プロトコル概要

正式名称 Message Queuing Telemetry Transport

略称 MQTT

OSIレイヤー Application Layer

カテゴリ Messaging

デフォルトポート 1883, 8883

概要 MQTT

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

Application Layer Messaging ポート 1883, 8883

Message Queuing Telemetry Transport

プロトコル概要

概要 MQTT

関連プロトコル — Application Layer