Table 2.

Feature sets selected.

Name	Features	Description
First feature set	stime, pkts, bytes, ltime, seq, dur, mean, stddev, sum, min, max, spkts, dpkts, sbytes, dbytes, rate, srate, drate	Using timestamps, the Argus sequence number, and the statistical variables (i.e., rates, mean, maximum, minimum, etc.).
Second feature set	pkts, bytes, dur, mean, stddev, sum, min, max, spkts, dpkts, sbytes, dbytes, rate, srate, drate	With no timestamps neither the Argus sequence number, only the statistical variables.
Third feature set	pkts, bytes, seq, dur, mean, stddev, sum, min, max, spkts, dpkts, sbytes, dbytes, rate, srate, drate	With the Argus sequence number and the statistical variables.