HTTPS in nginx: chain and redirect

Articles

• HTTP — requests, responses, status codes and headers — An application request-response protocol used by web services.
• curl — HTTP requests from the console — curl sends HTTP and HTTPS requests from the console: status code, headers, the whole exchange, certificate checks.
• TLS and certificates — openssl, the chain, verification — A TLS certificate binds a server key to a site name; openssl reads its fields, checks the chain and issues a new one.
• nginx — web server and reverse proxy — A web server and reverse proxy whose configuration should be checked before applying changes.