Table 2.
Class distribution before and after class balancing for CSE-CIC-IDS2018.
| Class | Before balancing | After-SMOTE-Tomek |
|---|---|---|
| Normal | 1,169,625 | 141,653 |
| BruteForce | 33,274 | 33,272 |
| DoS | 57,151 | 57,150 |
| Web_Attacks | 650 | 20,000 |
| Infiltration | 31,500 | 23,169 |
| Botnet | 24,998 | 25,000 |
| DDoS | 110,403 | 80,000 |