... I had the same problem with Mqtt broker called vernemq.but solved it by adding the following. $ sudo vmq-admin listener show to show the list o allowed ips and ports for vernemq $ sudo vmq-admin listener start port=1885 -a 0.0.0.0 --mountpoint /ap...

...eatures that are only in ActiveMQ, wire protocols like OpenWire, STOMP and MQTT, JMS, EIP together with Apache Camel, message patterns like "request/reply" and "publish/subscribe", JMS Bridging, clustering ("network of brokers"), which allow scaling and distributions, etc. You should read up on thos...