Digi IX20 - Page 783

Services Usethe MQTT broker service
IX20 User Guide
783
d. Set the accesstypeto apply to the topic:
(config service mqtt topic_acl anonymous 0)> access value
(config service mqtt topic_acl anonymous 0)>
where value is one of:
l
deny
l
read
l
readwrite
l
write
The default is readwrite.
e. Add additional topics:
(config service mqtt topic_acl anonymous 0)> add .. .. anonymous
end
(config service mqtt topic_acl anonymous 1)>
f. Repeat the above stepsto set the topic and access type.
n
To restrict accessto topics based on pattern substitution:
a. Return to the service mqtt node of the schema:
(config service mqtt encryption psk 1)> ... service mqtt
(config service mqtt)>
b. Add a topic:
(config service mqtt)> add topic_acl pattern end
(config service mqtt topic_acl pattern 0)>
c. Set the topic:
(config service mqtt topic_acl pattern 0)> topic value
(config service mqtt topic_acl pattern 0)>
where value is one of:
l
The topic.
l
The variable %casa substitute for the client ID.
l
The variable %u as a substitute for the username.
If a variable is used, it can bethe only text for that level of the hierarchy.
d. Set the accesstypeto apply to the topic:
(config service mqtt topic_acl pattern 0)> access value
(config service mqtt topic_acl pattern 0)>
where value is one of:
l
deny
l
read