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The OpenSSL that ships with your distro handles everything — mail clients, SSH daemons, package managers. That’s the problem. openssl-nginx is a lean, performance-tuned OpenSSL 3.5 built specifically for NGINX and Angie: kTLS offload, faster elliptic curves, hardware entropy, and zero legacy bloat.
A complete expert guide to nginx performance optimization and security hardening on Debian and Ubuntu. Covers HTTP/3, TLS 1.3, brotli, ModSecurity WAF, FastCGI cache, PHP-Snuffleupagus, and the best WordPress plugins — with every directive explained.