Low-Rate DDoS Attack Detection Using Expectation of Packet Size

Table 4

The values of EPSV and the ratios of EPSV along with .

	EPSV (bytes)
	Pulsing attack	Constant attack	Pulsing attack	Constant attack
0	87.26	76.47	6.06%	91.54%
1	90.40	152.47	99.98%	95.61%
2	93.55	228.48	99.98%	98%
3	96.69	304.48	99.99%	98%
4	99.83	380.48	99.99%	98%
5	102.98	456.48	99.99%	99.54%
6	106.12	532.48	99.99%	99.55%
7	109.27	608.48	99.99%	99.55%
8	112.41	684.48	99.99%	99.55%
9	115.55	760.48	99.99%	99.55%
10	118.70	836.48	99.99%	99.55%