Table 1: The 41 features in KDD Cup’99 Dataset.

S. NoFeature nameS. NoFeature name

1 duration22is_guest_login
2protocol_type23count
3service24serror_rate
4src_byte25rerror_rate
5dst_byte26same_srv_rate
6flag27diff_srv_rate
7land28srv_count
8wrong_fragment29srv_serror_rate
9urgent30srv_rerror_rate
10hot31srv_diff_host_rate
11num_failed_logins32dst_host_count
12logged_in33dst_host_srv_count
13num_compromised34dst_host_same_srv_count
14root_shell35dst_host_diff_srv_count
15su_attempted36dst_host_same_src_port_rate
16num_root37dst_host_srv_diff_host_rate
17num_file_creations38dst_host_serror_rate
18num_shells39dst_host_srv_serror_rate
19num_access_shells40dst_host_rerror_rate
20num_outbound_cmds41dst_host_srv_rerror_rate
21is_hot_login