ModSecurity cross platform web application firewall

The ModSecurity Web application firewall (WAF) engine provides a powerful framework to offer protection against web application security threats. It is the world's most deployed WAF product boasting well over a million installs across numerous organizations, including many fortune 500 organizations, hosting providers, and CDNs. The ModSecurity team develops and provides support for not only the core ModSecurity WAF 2.x code but also the OWASP ModSecurity Core Rules Set (CRS) and the newly emerging ModSecurity 3.x codebase. For more information see

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  • waf
  • web application firewall


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