| Status | ||||
|---|---|---|---|---|
|
MQTT Protocol Specification:
http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/os/mqtt-v3.1.1-os.html
Connection Error Status
| Code | |
|---|---|
| 1 | Connection refused: Unacceptable protocol version |
| 2 | Connection refused: Identifier rejected |
| 3 | Connection refused: Server unavailable |
| 4 | Connection refused: Bad user name or password |
| 5 | Connection refused: Not authorized |
| 6-255: | Reserved for future use |