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ModSecurity documentation attribution
Portions of the engine documentation on this site are adapted from the ModSecurity reference manuals and project documentation maintained in the OWASP ModSecurity repository and wiki. The upstream reference manuals identify:
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ModSecurity 2.x and libmodsecurity 3 differ by engine version, connector, build options, linked libraries, and directive support. The upstream project warns that portions of its wiki are outdated or under revision. ModSecurity.io documentation is provided for practical guidance and may not describe every version or integration.
Verify syntax, defaults, scope, and support against the upstream manual and the exact software version deployed. Documentation is provided “as is,” without warranties or conditions of any kind. It is not legal advice and does not replace testing in your environment.