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

نظرة عامة على البروتوكول

الاسم الكامل Message Queuing Telemetry Transport

الاختصار MQTT

طبقة OSI Application Layer

الفئة Messaging

المنفذ الافتراضي 1883, 8883

حول MQTT

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

Application Layer Messaging المنفذ 1883, 8883

البروتوكولات ذات الصلة — Application Layer

HTTP Hypertext Transfer Protocol HTTPS HTTP Secure HTTP/2 HTTP/2 HTTP/3 HTTP/3 WS WebSocket SMTP Simple Mail Transfer Protocol IMAP Internet Message Access Protocol POP3 Post Office Protocol v3