Nginx

Configure nginx to log the virtual host

log_format main '$remote_addr $host $remote_user [$time_local] '
                '"$request" $status $body_bytes_sent '
                '"$http_referer" "$http_user_agent"';
access_log /var/log/nginx/access.log main;

SSL Konfiguration

https://mozilla.github.io/server-side-tls/ssl-config-generator/
http://www.my-it-brain.de/wordpress/kurz-vorgestellt-mozilla-ssl-configuration-generator/
https://blog.pki.dfn.de/2015/06/ocsp-stapling-in-nginx/
https://blog.doenselmann.com/ocsp-stapling-unter-nginx-aktivieren/
https://www.ssllabs.com/

Nginx and the HTTP OPTIONS method

PHP

A better way to run PHP-FPM