Christian Folini

CRS Welcomes Edgio as Gold Sponsor

We're excited to announce a new partnership with Edgio, a leading provider of edge security solutions, that was formed by the combination of Limelight and Edgecast. Edgio is a trusted partner for organizations looking to protect their digital assets. Its holistic suite of security solutions protects the confidentiality, integrity and availability of web applications and …

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Registration for the OWASP CRS Community Summit 2023 – Dublin, Feb 14

On February 14, the CRS community will meet at the Dublin Convention Center for the 2023 CRS Community Summit, the first summit after the pandemic. REGISTRATION It has been a while since last we met and many things have happened since. So, there is a lot to talk about. We start at 9 am local …

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The Case for Early Blocking

Early Blocking is a feature that CRS will deliver with the next major release, probably Spring 2022. You can use it immediately when deploying the latest dev / nightly build. This blog post will explain the feature, how to enable it and why it is very useful. What is Early Blocking? ModSecurity, the engine below …

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Comprehensive View of the WAF Market From an Open Source Perspective

The log4j mess allowed everybody to see security shortcomings of the IT industry on a big scale. It also shed light on the shortcomings of the WAF market, a highly contested field with a myriad of commercial players and - well - us, the OWASP ModSecurity Core Rule Set (CRS), the only general purpose open …

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The CRS Plugin Mechanism

Plugins are not part of the CRS 3.3.x release line. They will be released officially with the next major CRS release 4.x. In the meantime, you can use them with one of the stable releases by following the instructions below. What are Plugins? Plugins are sets of additional rules that you can plug in to …

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Public Hunt for log4j / log4shell Evasions / WAF Bypasses

We have been updating our detection for the infamous CVE-2021-44228 vulnerability and its siblings for several days now. With the new experimental rule 1005, we think we really have decent detection capabilities now. Read up on this development in the separate blog post CRS and Log4j / Log4Shell / CVE-2021-44228. Right before the log4j CVE …

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