Research Article
Machine-Learning Approach to Optimize SMOTE Ratio in Class Imbalance Dataset for Intrusion Detection
Table 4
Five main categories of KDD CUP 1999 dataset.
| Attacks | Descriptions |
| Normal | Normal traffic | DoS | Denial of service, e.g., syn flood | R2L | Unauthorized access from a remote machine, e.g., guessing password | U2R | Unauthorized access to local superuser (root) privileges, e.g., various “buffer overflow” attacks | Probing | Surveillance and other probing, e.g., port scanning |
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