A negative security model monitors requests for anomalies, unusual behaviour, and common web application attacks. ![]() There are three commonly used approaches: ModSecurity can also act immediately to prevent attacks from reaching your web applications. In this case, ModSecurity operates as a web intrusion detection tool, allowing you to react to suspicious events that take place at your web systems. In addition to providing logging facilities, ModSecurity can monitor the HTTP traffic in real time in order to detect attacks. Real-Time Monitoring and Attack Detection As some of the request and/or response may contain sensitive data in certain fields, ModSecurity can be configured to mask these fields before they are written to the audit log. Its logging facilities also allow fine-grained decisions to be made about exactly what is logged and when, ensuring only the relevant data is recorded. ModSecurity makes full HTTP transaction logging possible, allowing complete requests and responses to be logged. Your adversaries know this, and that is why most attacks are now carried out via POST requests, rendering your systems blind. In particular, most are not capable of logging the request bodies. Web servers are typically well-equipped to log traffic in a form useful for marketing analyses, but fall short logging traffic to web applications. ModSecurity provides protection from a range of attacks against web applications and allows for HTTP traffic monitoring and real-time analysis with little or no changes to existing infrastructure. ![]() WAFs are deployed to establish an increased external security layer to detect and/or prevent attacks before they reach web applications. With over 70% of attacks now carried out over the web application level, organisations need all the help they can get in making their systems secure. ModSecurity is a web application firewall (WAF). ModSecurity® Reference Manual Current as of v2.6 v2.7 v2.8 v2.9 v3.0 Copyright © 2004-2022 Trustwave Holdings, Inc. Precedence of ModSecurity over other Apache modules.Manually Installing and Troubleshooting Setup of ModSecurity Module on IIS.Manually Installing ModSecurity Module on NGINX.Edit the main Apache httpd config file (usually nf).ModSecurity 2.x works only with Apache 2.0.x or higher. ![]()
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