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Mosquitto ignores acl_file on default listener if per_listener_settings=true #1073
When mosquitto is configured as follows:
Then the default listener (on port 1883) ignores the acl_file. This can easily confirmed by specifying a non-existing acl file. Mosquitto will startup fine, without complaining about the non-existing file. And when trying to send messages, there are indeed no acl's effective.
This is a potential security risk!