NGINX Dynamic Upstream: Add & Remove Servers Live
by Danila Vershinin, February 27, 2026
Learn how to dynamically add, remove, and modify NGINX upstream servers at runtime using a REST API — no reload required. The nginx-mod package brings this NGINX Plus feature to open-source NGINX for a fraction of the cost.
Read More...NGINX Auth Hash Module: Secure URL Authentication
by Danila Vershinin, February 26, 2026
Learn how to protect files and content with the NGINX auth hash module. This module brings SHA-256, SHA-512, BLAKE2, and other modern hash algorithms to NGINX secure URL authentication, replacing the MD5-only limitation of the built-in secure_link module.
Read More...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.
Read More...NGINX max_headers: Prevent Header-Flooding DoS
by Danila Vershinin, February 8, 2026
Learn how to use the max_headers directive in nginx-mod to limit the number of HTTP request headers and protect your server from header-flooding DoS attacks. Includes installation, configuration, and testing on RHEL-based systems.
Read More...NGINX http3 http_host Is Empty — Here’s the Fix
by Danila Vershinin, February 6, 2026
NGINX HTTP/3 leaves $http_host empty, breaking FastCGI, proxy configs, and logs. nginx-mod fixed this at the protocol layer — four months before upstream shipped a partial workaround.
Read More...Improving NGINX Performance with Kernel TLS on RHEL 8+ and Fedora Linux
by Danila Vershinin, July 22, 2022
Improve static files performance in NGINX using kernel LTS in modern Linux operating systems like RedHat Enterprise Linux 8 and Fedora Linux
Read More...How to Remove the Server Header in NGINX
by Danila Vershinin, June 24, 2018
How to hide the Server HTTP header in NGINX and more: hide the fact of using NGINX altogether.
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