Table 4 Description of selected IoT-23 Features.
From: Improved model for intrusion detection in the Internet of Things
 | Feature | Description |
---|---|---|
1 | duration | Duration of the network connection (in seconds) |
2 | orig_bytes | Number of bytes sent by the originator (source) |
3 | resp_bytes | Number of bytes sent by the responder (destination) |
4 | missed_bytes | Number of bytes missed due to dropped packets or data loss |
5 | orig_pkts | Total number of packets sent by the originator (source) |
6 | orig_ip_bytes | Total number of bytes, including headers, sent by the originator |
7 | resp_pkts | Total number of packets sent by the responder (destination) |
8 | resp_ip_bytes | Total number of bytes, including headers, sent by the responder |
9 | proto_icmp | Indicates if the connection uses the ICMP protocol (1 if true, 0 if false) |
10 | proto_tcp | Indicates if the connection uses the TCP protocol (1 if true, 0 if false) |
11 | proto_udp | Indicates if the connection uses the UDP protocol (1 if true, 0 if false) |
12 | conn_state_OTH | Connection in an “other” state (unusual states not categorized) |
13 | conn_state_REJ | The responder rejected the connection |
14 | conn_state_RSTO | The originator reset the connection |
15 | conn_state_RSTOS0 | The originator sent a reset, and no response was received |
16 | conn_state_RSTR | The responder reset the connection |
17 | conn_state_RSTRH | The responder reset the connection after a handshake |
18 | conn_state_S0 | A connection attempt was seen, but no reply was received |
19 | conn_state_S1 | A connection was established, but no data was transferred |
20 | conn_state_S2 | The connection was established, and the originator sent data but received no response |
21 | conn_state_S3 | The connection was established, and the responder sent data but received no originator response |
22 | conn_state_SF | Connection fully established and terminated normally |
23 | conn_state_SH | A connection attempt was seen with a SYN-ACK, but there was no response from the originator |
24 | conn_state_SHR | A connection attempt was seen with a SYN-ACK, followed by a reset |