Early Detection of Network Fault Using Improved Gray Wolf Optimization and Wavelet Neural Network

Table 2

The specific fault classifications.

General category	Label	Subclass
Normal	0	Normal
Dos	1	Back, land, netune, pod, smurf, teardrop
Probing		Ipsweep, portsweep, nmap, Satan
R2L		ftp_write, imap, phf, guess_passwd, multihop, spy, warezmaster, warezclient
U2R		Buffer overflow, loadmodule, rootkit, perl