Table 1.

The 41 features in KDD Cup'99 Dataset.

S. No	Feature name	S. No	Feature name
1	duration	22	is_guest_login
2	protocol_type	23	count
3	service	24	serror_rate
4	src_byte	25	rerror_rate
5	dst_byte	26	same_srv_rate
6	flag	27	diff_srv_rate
7	land	28	srv_count
8	wrong_fragment	29	srv_serror_rate
9	urgent	30	srv_rerror_rate
10	hot	31	srv_diff_host_rate
11	num_failed_logins	32	dst_host_count
12	logged_in	33	dst_host_srv_count
13	num_compromised	34	dst_host_same_srv_count
14	root_shell	35	dst_host_diff_srv_count
15	su_attempted	36	dst_host_same_src_port_rate
16	num_root	37	dst_host_srv_diff_host_rate
17	num_file_creations	38	dst_host_serror_rate
18	num_shells	39	dst_host_srv_serror_rate
19	num_access_shells	40	dst_host_rerror_rate
20	num_outbound_cmds	41	dst_host_srv_rerror_rate
21	is_hot_login