NGINX JWT Authentication Module: Secure Your APIs
by Danila Vershinin, February 2, 2026
Learn how to implement native JWT authentication directly in NGINX using the nginx-module-jwt. This lightweight module validates JSON Web Tokens at the edge, reducing backend load and simplifying your API security architecture.
Read More...NGINX Length Hiding Module: Does It Actually Prevent BREACH Attacks?
by Danila Vershinin,
The NGINX length hiding module is often recommended for BREACH attack mitigation, but security research shows it only slows down attacks, not prevents them. Learn what actually protects against BREACH: SameSite cookies, CSRF token rotation, and proper application architecture.
Read More...NGINX Reverse DNS Module: Hostname-Based Access Control
by Danila Vershinin,
Learn how to use the NGINX reverse DNS module (ngx_http_rdns) to verify client hostnames, block malicious traffic, and authenticate legitimate crawlers like Googlebot. This guide covers installation, configuration, and security best practices.
Read More...NGINX Bot Verification: Block Fake Crawlers
by Danila Vershinin, January 31, 2026
Learn how to verify and block fake search engine bots in NGINX using the bot-verifier module. This comprehensive guide covers installation, configuration, and testing of reverse DNS verification for Googlebot, Bingbot, and other crawlers.
Read More...NGINX Bot Protection Without CAPTCHA: Testcookie Guide
by Danila Vershinin, January 30, 2026
Learn how to implement NGINX bot protection using the testcookie module. This JavaScript-based challenge blocks automated traffic without frustrating legitimate users with CAPTCHAs.
Read More...NGINX Secure Link: Signed URLs and Hotlink Protection
by Danila Vershinin, January 29, 2026
Learn how to implement NGINX secure link functionality for signed URLs and hotlink protection. This comprehensive guide covers the HMAC Secure Link module installation, configuration, and client-side token generation in PHP, Python, and Bash.
Read More...NGINX Sticky Sessions: Cookie-Based Load Balancing
by Danila Vershinin,
Learn how to implement NGINX sticky sessions with cookie-based load balancing. This comprehensive guide covers installation, configuration, security best practices, and troubleshooting for Rocky Linux, AlmaLinux, and RHEL systems.
Read More...Headers More NGINX Rocky Linux 10: Header Control
by Danila Vershinin, January 28, 2026
Install the Headers More module for NGINX on Rocky Linux 10 and AlmaLinux 10. Complete guide covering security header hardening, server fingerprint removal, and advanced header manipulation patterns.
Read More...ModSecurity NGINX Rocky Linux 10: WAF Setup
by Danila Vershinin,
Install ModSecurity WAF for NGINX on Rocky Linux 10 and AlmaLinux 10. Complete guide covering installation, OWASP Core Rule Set configuration, rule tuning, and production-ready WAF setup with SELinux support.
Read More...NGINX map Directive: Guide to Conditional Variables
by Danila Vershinin, January 27, 2026
Learn how to use the NGINX map directive to create conditional variables for routing, rate limiting, security headers, and A/B testing. This comprehensive guide covers syntax, pattern matching, real-world examples, and performance optimization.
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