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WAF

Web Application Firewall: a filter that monitors and blocks malicious web traffic directed at web applications.

Definition

Web Application Firewall: a filter that monitors and blocks malicious web traffic directed at web applications.

Use case

Blocking SQL injection patterns and malicious bot scanners before they touch your application logic.

Related terms

Articles

Web application firewall

OWASP · Article · link checked 2026-10-16

Filtering malicious requests before they reach the app.

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