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NGINX Query String Normalization with sorted-args Module


by Danila Vershinin, February 17, 2026

Improve NGINX cache hit rates by normalizing query string parameter order. The sorted-args module eliminates cache fragmentation caused by tracking codes, parameter reordering, and cache-busting parameters.

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NGINX error_log_write Module: Conditional Logging


by Danila Vershinin, February 12, 2026

Learn how to use the NGINX error_log_write module for conditional error logging. Write custom log entries based on request attributes, variables, and conditions directly from your NGINX configuration.

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NGINX Keyval Module: Dynamic Key-Value Store Inside NGINX


by Danila Vershinin, February 9, 2026

Learn how to use the NGINX keyval module to create a dynamic key-value store directly inside NGINX. Build feature flags, IP blocklists, maintenance mode toggles, A/B testing, and canary deployments — all without restarting NGINX or adding backend services.

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NGINX Upload Module: File Upload Handling Guide


by Danila Vershinin, February 2, 2026

Learn how to configure the NGINX upload module for efficient file upload handling. This comprehensive guide covers installation, configuration directives, resumable uploads, security best practices, and performance optimization for system administrators managing production servers.

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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.

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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.

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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.

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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.

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NGINX Sticky Sessions: Cookie-Based Load Balancing


by Danila Vershinin, January 29, 2026

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.

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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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