ModSecurity

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ModSecurity, sometimes called Modsec, is an open-source web application firewall (WAF). Originally designed as a module for the Apache HTTP Server, it has evolved to provide an array of Hypertext Transfer Protocol request and response filtering capabilities along with other security features across a number of different platforms including Apache HTTP Server, Microsoft IIS, and Nginx. It is free software released under the Apache license 2.0.

Implementing WAF Using Nginx, ModSecurity, and OWASP Project

ModSecurity operates by analyzing HTTP requests and responses and inspecting their content, headers, and metadata for signs of patterns that indicate potential attacks. When it detects suspicious behavior, it can block the request, log the event, or modify the content to neutralize the threat.

Tutu Rulianda

3 Apr 2022 · 5 min read