An Unknown Protocol Identification Method for Industrial Internet

Table 1

Common binary encoding protocol part message table.

Protocol	Feature1	Feature2	Feature3	Feature4	Feature5	Feature6
MC3E	0x50	0x00	0x00	0xFF	0xFF	0x03
MC4E	0x54	0x00	0x01	0x00	0x00	0x00
MC4C	0x10	0x02	0x12	0x00	0xF8	0x00
COTP	0x03	0x00	0x00	0x19	0x17	0x0E
S7comm	0x03	0x00	0x00	0x19	0x17	0x0F
USS	0x02	0x0F	0x0F	Request data		0x43
Profibus-DP	0x68	0x05	0x05	0x68	0x83	0x81
MPI	0x68	0x1F	0x1F	0x68	0x83	0x81
PPI	0x68	0x1B	0x1B	0x68	0x02	0x00
Modbud RTU	0x01	0x03	0x0F	Data	0x32	0x43
Modbus TCP	0x00	0x0F	0x00	0x00	0x00	0x06
DF-1	0x10	0x01	0x01	0x10	0x02	0x01