Core Rule Set Inventory


This is a list of rules from the OWASP ModSecurity Core Rule Set.

  • Handling of false positives / false alarms / blocking of legitimate traffic is explained in this tutorial.
  • This page here covers the 3.x release(s). The rule IDs from the 2.x.x release(s) are not listed / covered. Look here for some infos.
  • Helper rules are omitted.
  • Click on link to be taken to github and land on the definition of the rule.
  • The link to github points to the 3.0 dev tree.
  • The description / message is the msg action from the rule definition mostly.
  • Individual rules in this page can be reached via a shortcut. E.g., https://netnea.com/crs/942100.
  • If you are lazy, then create a dynamic bookmark and call it with the rule ID as parameter in the address line of the browser: e.g., crs 942100.
  • You like what you see? Why don’t you follow me on twitter @ChrFolini to learn about new ModSecurity stuff I publish.

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