mosquitto MQTT: How to restrict an user to read/write only dedicated topic?

Sebastian Mountaniol

I would like to build a multi-user Mosquitto server. The user should access only to its own topic.

For example, the user "dododo" should only write and read the topic:

users/dododo/#

It should not access (neither read nor write) any other topic.

Is it possible? I can not find how to do it. The best I have found it is "read-only" access.

romkey

You can do this but it's not the most intuitive setting.

Set allow_anonymous to false. This has a side effect of making the default be disallowing access to topics; you'll need to explicitly allow access. This will affect all accounts on the broker.

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