ModSecurity is a web application firewall engine that provides very little protection on its own. In order to become useful, ModSecurity must be configured with rules.

OWASP ModSecurity Core Rule Set (CRS) Version 3

The OWASP ModSecurity CRS Project's goal is to provide an easily "pluggable" set of generic attack detection rules that provide a base level of protection for any web application.

Our latest 3.0 version provides protections if the following attack/threat categories:

  • HTTP Protocol Protection
  • Real-time Blacklist Lookups
  • HTTP Denial of Service Protections
  • Generic Web Attack Protection
  • Error Detection and Hiding

OWASP Project Site

OWASP ModSecurity Project

Visit GitHub Repository

OWASP ModSecurity CRS GitHub Repo

Read More About The Core Rule Set

Commercial Rules from Trustwave SpiderLabs

The ModSecurity Rules from Trustwave SpiderLabs are based on intelligence gathered from real-world investigations, penetration tests and research. The rules package is updated daily by the SpiderLabs Research Team to ensure that customers receive critical updates in a timely manner.

Here is a quick listing of security coverage:
  • Virtual Patching
  • IP Reputation
  • Web-based Malware Detection
  • Webshell/Backdoor Detection
  • Botnet Attack Detection
  • HTTP Denial of Service (DoS) Attack Detection
  • Anti-Virus Scanning of File Attachments

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ModSecurity Rules and Support Services

Read More About Commercial Rules