MQTT Configuration
This section will introduce the configuration settings that determine how the YedMQ control the MQTT protocol behavior.
Default config item:
[mqtt]
sys_topic_interval_secs = 10
default_authentication = "allow"
default_authorization = "allow"
max_message_size = 268435456
| Configuration Items | Description | Default value | Optional Values |
|---|---|---|---|
| sys_topic_interval_secs | This setting controls the time interval for $SYS topic notifications | 10 secs | 1 - 65535 |
| default_authentication | This sets the default authentication result | allow | allow or deny |
| default_authorization | This sets the default authorization result | allow | allow or deny |
| max_message_size | Thes sets the upper message size limit.The MQTT protocol itself defines a MQTT PUBLISH payload size limit of 256MB | 268435456 (256MB) | 1 - 268435456 |