How to

How to extend ModSecurity

Here we outline how to add completely custom WAF functionality by extending ModSecurity. This video links directly to a blog on our website on this same topic:

Extending ModSecurity: How to add completely custom WAF functionality

In this example, I’m going to add a new transformation function to ModSecurity to calculate the Scrabble score of a variable. This will allow us to block HTTP requests containing query string parameters with a Scrabble score above a chosen…

Topics: ModSecurity, string, transformation, function, Scrabble, input, score, apache, write, point, mod, compile, module, security, add, null character, apache configuration, memory, return, character

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How to extend ModSecurity