What port does MQTT use?

MQTT uses port 1883, 8883 by default.

Unknown

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

Visão geral do protocolo

Nome completo Message Queuing Telemetry Transport

Abreviatura MQTT

Camada OSI Application Layer

Categoria Messaging

Porta padrão 1883, 8883

Sobre MQTT

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

Application Layer Messaging Porta 1883, 8883

Protocolos relacionados — 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