ModSecurity

A web-application firewall engine analysing HTTP through rules. Effectiveness depends on rulesets, updates and control of false positives.

Sources and review

Reviewed: 2026-10-14

• GitHub - owasp-modsecurity/ModSecurity: ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. It has a robust event-based p

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