| Classification of Attacks | Attack Name |
| Probing | Port-sweep, IP-sweep, Nmap, Satan |
| DoS | Neptune, Smurf, Pod, Teardrop, Land, Back |
| U2R | Buffer-overflow, Load-module, Perl, Rootkit |
| R2L | Guess-password, Ftp-write, Imap, Phf, Multihop, Spy, Warezclient, Warezmaster |