WAF Archives - ITFROMZERO - Share tobe shared!

Installing ModSecurity v3 and OWASP CRS for Nginx on CentOS Stream 9

By IT From Zero October 28, 2026

A comprehensive guide to installing ModSecurity v3 and OWASP CRS for Nginx on CentOS Stream 9. Block SQLi and XSS, inspect audit logs, and tune false positives in production.

Ubuntu

Installing ModSecurity v3 and OWASP CRS on Nginx Ubuntu: Building a Production-Ready Web Server WAF

By IT From Zero October 22, 2026

UFW and Fail2ban cannot inspect malicious payloads inside HTTP requests. Here is a step-by-step guide to deploying ModSecurity v3 with OWASP CRS on Nginx in Ubuntu to build a Layer 7 WAF that blocks SQLi, XSS, and RCE.

Security

Installing and Configuring ModSecurity (WAF) on Nginx: Protecting Web Applications from A-Z

By IT From Zero March 19, 2026

ModSecurity (WAF) on Nginx is a powerful tool to protect web applications from common attacks. This article provides a detailed guide from basic installation to advanced fine-tuning, based on practical experience deploying in production environments, helping you set up a secure "shield" for your website.