NGINX Cookie Limit Module: Rate Limiting Guide
by Danila Vershinin, March 3, 2026
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 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 Reverse Proxy Ollama: Host Your Own Free LLM
by Danila Vershinin, February 25, 2026
Run your own ChatGPT alternative for free with Ollama or vLLM behind NGINX. This guide covers streaming-safe proxy configuration, authentication, rate limiting, and SELinux fixes for RHEL — all tested with real inference.
Read More...NGINX Access Control Module: Variable-Based Rules
by Danila Vershinin,
The NGINX access control module extends native allow/deny directives beyond IP addresses to any NGINX variable. Build flexible access policies using headers, query parameters, geo data, and custom maps — all evaluated at the access phase without resorting to if-statements.
Read More...NGINX Security Headers Module: Complete Configuration Guide
by Danila Vershinin, February 21, 2026
Configure NGINX security headers the right way with the ngx_security_headers module. This comprehensive guide covers all directives including X-Frame-Options, Referrer-Policy, HSTS, Cross-Origin policies, and automatic header hiding. Includes installation, configuration examples, and security best practices.
Read More...NGINX PAM Authentication: System Users and LDAP Integration
by Danila Vershinin, February 20, 2026
Configure NGINX PAM authentication to authenticate users against Linux system accounts, LDAP directories, and Active Directory. Includes installation, configuration examples, caching for performance, and security best practices.
Read More...How to Block AI Crawlers with NGINX: Complete Guide
by Danila Vershinin,
Learn how to block AI crawlers like GPTBot, ClaudeBot, and PerplexityBot at the NGINX level using the device detection module. Includes configuration examples for blocking, rate limiting, and logging AI bot traffic.
Read More...Install ModSecurity NGINX: Complete WAF Guide
by Danila Vershinin, February 19, 2026
Complete guide to installing ModSecurity WAF with NGINX. Learn how to protect your web applications from SQL injection, XSS, and OWASP Top 10 vulnerabilities using pre-configured packages with OWASP Core Rule Set.
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