NGINX 1.30 makes upstream HTTP/1.1 keep-alive the default. Here is how to audit backends, clean inherited config, and upgrade without avoidable surprises.
Ubuntu 26.04 LTS ships with stricter TLS defaults in Apache and Nginx. That is the right baseline, but older partner systems, internal tools, and devices can still fail unless you plan staged handshake, certificate, and rollback testing before production.
A practical guide to setting up Cloudflare SSL on a VPS the right way: choose the right origin certificate, use Full (strict), centralize redirects, and avoid the common Nginx and Cloudflare mistakes.