Acronyms	Definitions
ANN	Artificial neural network
ANOVA	Analysis of variance
CART	Classification and regression tree model
DoS	Denial of services
DDoS	Distributed denial of services
EGA	Enhanced genetic algorithm
FPR	False positive rate
HIDS	Host-based intrusion detection system
HNIDS	Hybrid network-based intrusion detection system
IDS	Intrusion detection system
IRF	Improved random forest
LDM	Linear discriminant method
LDA	Linear discriminant analysis technique
LR	Logistic regression
NSL-KDD	Network security laboratory-knowledge discovery in databases
ML	Machine learning
NB	Naïve Bayes
PSO	Particle swarm optimization
R2L	Remote to local
SVM	Support vector machines
TPR	True positive rate