IoT: do I need to use MQTT or HTTP? - Stack Overflow
May 19, 2017 · As MQTT is designed for delivering data (not entire pages) its pub / sub model offers many useful built-in features such as retention and last will. Also MQTT offers a simple …
mqtt - How to test the `Mosquitto` server? - Stack Overflow
Jul 8, 2023 · the mqtt default port is 1883 but if are running on a different port just like http you can specify port e.g. ( curl mqtt://localhost:1883 ) the proper test would be to subscribe and …
How to use MQTT over the internet? - Stack Overflow
Mar 9, 2015 · add line listener 1883 0.0.0.0 under #listener port-number [ip address/host name] This will allow requests from any source on 1883 port to be handled by your MQTT. Restart …
Newest 'mqtt' Questions - Stack Overflow
Using python paho-mqtt, I'm trying to receive exactly 1 message from a topic and then exit. If no messages ...
Understanding mqtt subscriber qos - Stack Overflow
Nov 2, 2015 · i did't read MQTT protocol Specifications yet, just say my test with mosquitto 1.5.3. 1. run mosquitto server/broker. with default conf. mosquitto -v 1541075091: mosquitto version …
Configuring mosquitto MQTT broker to listen on multiple ports
May 29, 2019 · I suspected something was wrong about certificates but I followed the indications on test.mosquitto.org reporting: The server listens on the following ports: 1883 : MQTT, …
How to implement a request-response pattern with paho mqtt …
This can be done using MQTT5. This is how it works: Suppose you have two MQTT clients, one of which acts as a server. client1, client2(server). client1 publishes a message with a response …
mosquitto MQTT: No connection could be made because the …
Apr 5, 2015 · 1. I have started the mosquitto server in a command line root@raspberrypi:~# mosquitto -c /etc/mosquitto 1428258655: mosquitto version 0.15 (build date 2013-01-09 …
How can I get the mqtt broker url starting with 'mqtts://'?
Jan 2, 2020 · Your broker is currently configured with a bare MQTT (mqtt:\\) listener on port 1883. So your connection URL for loriot should be: mqtt://54.180.126.214:1883 If loriot requires a …
Direct MQTT vs MQTT over WebSocket - Stack Overflow
Jun 3, 2015 · MQTT Broker: The counterpart of the MQTT client is the MQTT broker. The broker is at the heart of any publish/subscribe protocol. Depending on the implementation, a broker …