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  • This allows clients connecting using this username/password to publish on any topic but not subscribe on any topics


Warning
ACLs are case sensitive. This means that setting a users ACL to R spbv1.0 will not allow a user to subscribe to spBv1.0/# topics

Examples for MQTT Transmission ACLs

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Warning

When creating an Access Control List (ACL) for MQTT Engine client, there must be RW privilege's for the MQTT Sparkplug™ B STATE message topic spBv1.0/STATE/primary_host_id 

Review Changes to the STATE message in the Sparkplug v3.0.0 Specification for details on the legacy STATE client topic

Warning
ACLs are case sensitive. This means that setting a users ACL to R spbv1.0 will not allow a user to subscribe to spBv1.0/# topics



Additional Resources

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