NGINX WebSocket Proxy: HTTP Upgrade and WSS Guide
by Danila Vershinin, January 25, 2026
Learn how to configure NGINX as a WebSocket proxy for real-time applications. This complete guide covers HTTP upgrade mechanism, wss:// SSL configuration, Socket.io setup, load balancing, and troubleshooting with production-ready examples.
Read More...NGINX TLS 1.3 Hardening: A+ SSL Configuration Guide
by Danila Vershinin, January 21, 2026
Learn how to configure NGINX for maximum TLS security with TLS 1.3, achieve an A+ SSL Labs rating, and use tools like Gixy for automated security validation. Complete guide with tested configurations for RHEL 9, Rocky Linux, and AlmaLinux.
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Free SSL for NGINX with Let’s Encrypt: Complete Guide
by Emily Serverwise, January 19, 2023
Learn how to configure free SSL for NGINX with Let’s Encrypt using DNS validation. This complete guide covers Cloudflare integration, OCSP stapling, automatic renewal, and production-ready TLS configuration.
Read More...Magento, PayPal, libcurl and RedHat = crazy together
by Danila Vershinin, May 16, 2019
How a bad warning can be misleading and corrupt systems
Read More...NGINX Amplify and LetsEncrypt
by Danila Vershinin, December 30, 2018
A quick fix for NGINX Amplify and LetsEncrypt certificates compatibility
Read More...NGINX HSTS: Complete Strict-Transport-Security Guide
by Danila Vershinin, August 5, 2018
Learn how to configure NGINX HSTS (Strict-Transport-Security) correctly. This comprehensive guide covers the RFC 6797 specification, preload requirements, redirect patterns for www and non-www domains, common misconfigurations, and how to avoid SSL stripping attacks with verified configurations.
Read More...SSL directory – Where to store SSL certificates on a Linux server?
by Danila Vershinin, August 9, 2016
The right place for SSL files found 🙂
Read More...Solved: SSL connections do not work over IPv6
by Danila Vershinin, February 28, 2016
Troubleshoot and fix IPv6 SSL connections to Nginx server using simple checks
Read More...Generate CSR for SSL certificates FAST
by Danila Vershinin, January 13, 2016
This handy Bash script will help you to quickly create Certificate Signing Requests for your SSL certificates
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