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Zaitsev wrote: It is possible for everybody read data of everybody - not so good for professional service.
I also propose enabling subscription to $SYS/#.
maesa wrote: I believe that it means that I cannot use a custom MQTT topic like /MyTopic/Something but should rather use /Db/[instance id]/MyTopic/Something.
At least, it explains why my subscriptions to /MyTopic/+ do not give any result anymore...
Fortunately, it is currently still possible to publish to /MyTopic/Something, so I can still follow the status of my IoT components through your Web interface. Do you plan to disable publishing to /MyTopic as well and, if so, when ? I believe that the fact that it is still possible means that I could probably publish to /Db/[someone else's instance]/#...