usr
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lib
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firewalld
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services
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mqtt.xml
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<?xml version="1.0" encoding="utf-8"?> <service> <short>mqtt</short> <description>The Message Queuing Telemetry Transport (MQTT) is a machine-to-machine connectivity protocol. This variant of the protocol is unencrypted.</description> <port port="1883" protocol="tcp"/> </service>
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