Research Article
DL-IDS: Extracting Features Using CNN-LSTM Hybrid Network for Intrusion Detection System
Table 7
CNN, LSTM, and CNN + LSTM results.
| Label | CNN (%) | LSTM (%) | CNN + LSTM (%) | ACC | TPR | FPR | F1-score | ACC | TPR | FPR | F1-score | ACC | TPR | FPR | F1-score |
| Normal | 99.57 | 99.56 | 0.00 | 99.64 | 99.56 | 99.55 | 0.00 | 99.63 | 99.54 | 99.52 | 0.00 | 99.61 | FTP-Patator | 99.45 | 91.95 | 0.27 | 89.95 | 99.34 | 89.27 | 0.15 | 91.72 | 99.62 | 92.29 | 0.27 | 91.45 | SSH-Patator | 99.53 | 80.90 | 0.00 | 87.22 | 98.91 | 79.91 | 0.00 | 86.66 | 99.63 | 87.04 | 0.00 | 86.87 | Dos | 99.53 | 98.04 | 0.00 | 97.86 | 98.55 | 94.85 | 0.13 | 89.89 | 99.61 | 98.25 | 0.00 | 97.87 | Heartbleed | 99.64 | 80.08 | 0.00 | 80.88 | 99.63 | 81.12 | 0.07 | 77.69 | 99.66 | 81.12 | 0.00 | 81.20 | Infiltration | 99.59 | 97.91 | 0.07 | 97.75 | 98.84 | 96.80 | 1.16 | 97.17 | 99.55 | 98.07 | 0.18 | 97.54 | PortScan | 99.35 | 97.48 | 0.00 | 98.51 | 99.42 | 97.99 | 0.00 | 94.04 | 99.54 | 98.42 | 0.00 | 98.71 | Overall | 98.44 | 96.46 | 0.36 | 93.11 | 96.83 | 94.21 | 1.54 | 90.97 | 98.67 | 97.21 | 0.47 | 93.32 |
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