Research Article
MQTT Security: A Novel Fuzzing Approach
Table 4
Publish packet variable header nonnormative example.
| Byte position | Description |
| Topic name | Byte 1 | Length MSB (0) | Byte 2 | Length LSB (3) | Byte 3 | “a” (0x61) | Byte 4 | “/” (0x2F) | Byte 5 | “b” (0x62) |
| Packet identifier | Byte 6 | Packet identifier MSB (0) | Byte 7 | Packet identifier LSB (10) |
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