Research Article
Web Application Firewall Using Machine Learning and Features Engineering
Table 3
Subfeatures of attack weight feature.
| Subfeature | Description |
| URL weight | Sum of weights of discovered manipulation in URL | Number of attack words in inputs | Sum of weights of discovered attack words in inputs | Manipulate payload weight | Sum of weights of discovered manipulation in payloads | Alphanumeric character to special character ratio | The ratio of the number of alphanumeric characters to the number of nonalphanumeric characters | Files weight | Sum of weights of the malicious files (malicious file weight is the weight of extension + sum of weights of scan using three antiviruses) |
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