NGINX Reverse DNS Module: Hostname-Based Access Control
by Danila Vershinin, February 2, 2026
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 DNS over HTTPS: Run Your Own DoH Server
by Danila Vershinin, February 1, 2026
Learn how to deploy a privacy-compliant DNS over HTTPS (DoH) server using NGINX. This guide covers installation, configuration, and security best practices for running your own RFC 8484 compliant DoH endpoint.
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 srcache: Transparent Memcached and Redis Caching Layer
by Danila Vershinin,
Learn how to implement transparent caching in NGINX using the srcache module with memcached or Redis backends. This comprehensive guide covers installation, configuration, cache key strategies, and production-ready examples for Rocky Linux, AlmaLinux, and RHEL systems.
Read More...NGINX try_files: Complete Guide with Real Examples
by Danila Vershinin,
Master the NGINX try_files directive with this complete guide. Learn syntax, WordPress/Laravel/SPA configurations, performance optimization with open_file_cache, and common mistakes to avoid. Includes production-ready examples validated with gixy.
Read More...NGINX Nchan: Build Real-Time Apps Without Node.js
by Danila Vershinin,
Learn how to build real-time web applications using NGINX Nchan module. This comprehensive guide covers WebSocket, Server-Sent Events, and long-polling implementations for chat systems and push notifications—all without Node.js.
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...NGINX VTS Module: NGINX Plus Monitoring
by Danila Vershinin,
Learn how to install and configure the NGINX VTS (Virtual Host Traffic Status) module for free real-time monitoring. Get NGINX Plus-level traffic statistics, upstream monitoring, and Prometheus metrics without the commercial license cost.
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