[Retracted] Intelligent Intrusion Detection Method of Industrial Internet of Things Based on CNN-BiLSTM

Table 2

Confusion matrix of NSL-KDD test set.

	Normal	Dos	Probe	R2L	U2R
Normal	9534	156	120	96	6
Dos	74	7523	15	1	0
Probe	5	20	2264	0	0
R2L	226	0	8	540	0
U2R	51	0	12	0	641