A Dynamic Intrusion Detection System Based on Multivariate Hotelling’s T² Statistics Approach for Network Environments

Table 2

Minimum, maximum, and distinct values of some features of KDD Cup’99.

Features	Min	Max	Distinct
Protocol type	1	3	3
Flag	1	11	11
Service	1	66	66
src_bytes	0	693375640	3300
dst_bytes	0	5155468	10725
diff_srv_rate	0	1	78
dst_host_same_src_port_rate	0	1	101
Count	0	511	490