Skip to main content

NGINX WebDAV Module: Full File Sharing Server Setup


by Danila Vershinin, March 3, 2026

Learn how to build a full-featured WebDAV file server with NGINX using the dav-ext module. This guide covers installation, PROPFIND, OPTIONS, LOCK, and UNLOCK configuration, SELinux setup, and security hardening for production deployments.

Read More...

NGINX Cookie Limit Module: Rate Limiting Guide


by Danila Vershinin,

Learn how to protect your NGINX server from cookie-based attacks using the ngx_cookie_limit_req_module. This Redis-backed module combines cookie rate limiting with forged cookie detection to block malicious IPs that generate excessive unique cookies.

Read More...

NGINX Concat Module: Combine CSS and JS Files


by Danila Vershinin, March 2, 2026

Learn how to use the NGINX concat module to combine multiple CSS and JavaScript files into a single HTTP response. Reduce request overhead, improve page load times, and understand when server-side concatenation still outperforms HTTP/2 multiplexing.

Read More...

NGINX Compression Vary: Fix Broken Vary Headers


by Danila Vershinin,

The NGINX compression_vary module replaces the standard gzip_vary directive with smarter Vary header handling. It merges multiple Vary headers into one, removes duplicates, and properly appends Accept-Encoding — preventing CDN cache fragmentation and improving caching efficiency across gzip, Brotli, and Zstandard compression.

Read More...

Accept-Encoding Normalization in NGINX for Better Caching


by Danila Vershinin, March 1, 2026

Learn how to normalize Accept-Encoding headers in NGINX to prevent cache variant explosion. The compression-normalize module standardizes client compression preferences, dramatically improving proxy cache hit rates when using Vary: Accept-Encoding.

Read More...

NGINX Combined Upstreams: Failover & Sticky Sessions


by Danila Vershinin,

Learn how to merge upstream server pools, implement cookie-based sticky sessions, build multi-cluster failover chains, and broadcast requests across backends using the NGINX Combined Upstreams module. Covers all directives, upstrand configuration, and status variables.

Read More...

NGINX Captcha Module: Server-Side CAPTCHA Guide


by Danila Vershinin, February 28, 2026

Learn how to generate and validate CAPTCHA images directly in NGINX without relying on external services like reCAPTCHA. The NGINX captcha module creates server-side CAPTCHA challenges using the GD graphics library, keeping your authentication flows fast, private, and dependency-free.

Read More...

NGINX AWS S3 Proxy: Secure Module Guide


by Danila Vershinin, February 26, 2026

Learn how to use the NGINX AWS auth module to securely proxy requests to Amazon S3 without exposing IAM secret keys on your server. This guide covers installation, configuration, signing key rotation, and security best practices for the ngx_aws_auth module.

Read More...

NGINX Auth Hash Module: Secure URL Authentication


by Danila Vershinin,

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 Array Variables: Split, Map, and Join Data


by Danila Vershinin, February 25, 2026

Learn how to use the NGINX array variables module to split, map, and join data directly in your NGINX configuration. This module adds array-typed variables for powerful list processing, SQL query building, and dynamic data transformation without external scripting.

Read More...