Kaspersky IoT Secure Gateway 100
Special considerations when generating names of MQTT topics
Special considerations when generating names of MQTT topics
When filling in the values for topicName
, please adhere to the following guidelines:
- Wildcard characters cannot be used in the names of MQTT topics. We also do not recommend using the
$
character in the names of MQTT topics. - The name of an MQTT topic cannot be blank (it must contain at least one character).
- The names of MQTT topics are case sensitive.
- The names of MQTT topics can contain a blank space character.
- MQTT topics that are separated by only a
/
character at the beginning or end of the name are considered to be different MQTT topics. - An MQTT topic name consisting of only a
/
character is permitted. - The name of an MQTT topic must not contain the null character (NUL).
- Names of MQTT topics are UTF-8 strings of size that does not exceed 65535 bytes.
Article ID: 240941, Last review: May 24, 2023