MQTT and iot.eclipse.org

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MQTT

You can make use of this MQTT server with client code from the Paho project, the Eclipse MQTT view from Paho, or from one of the other client APIs listed on the MQTT.org downloads page.
Access the server using the hostname iot.eclipse.org and port 1883. You can also access the server using encrypted port 8883 
The encrypted port support TLS v1.2, v1.1 or v1.0 with x509 certificates and requires client support to connect.
You can also use MQTT over WebSockets, both plain and secured, using the following connection URIs (respectively): ws://iot.eclipse.org:80/ws and wss://iot.eclipse.org:443/ws
This server is running the open source Mosquitto broker in its most recently released version.

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