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%&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                         
 








      
 	

     
  
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$4 % &'()*56789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz                                                                        
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<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>