Coreruleset.org
CRS Project
Protect your web apps from common attacks with open-source rules for web application firewalls. Learn, download, and contribute to the CRS project.
Safeguard your web apps from online threats
The CRS Project offers a robust set of open-source rules designed to detect and block web-based attacks. It's built for use with ModSecurity or compatible web application firewalls, giving you an extra layer of protection against threats like those listed in the OWASP Top Ten. Whether you're a developer, security professional, or just someone managing a website, you can find guides on installing, configuring, and deploying these rules.
You'll also discover thorough documentation, news updates, and ways to get involved with the community, whether that's contributing new rules or learning from the project's blog and videos. If you're looking to boost your web app's security with tried-and-tested detection rules, the CRS Project is a valuable resource that's both accessible and community-driven.
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