1st commit - refined 2019 cfg + AI made README (I despise writing docs so it was either letting AI write README or having none, sorry)

nginx/conf.d/ssl.conf

@@ -0,0 +1,20 @@
+ # This is an NGINX configuration file written and used by me in order to set a hardened TLS profile.
+ #
+ # (c) Corrado Mulas <tlc@mulas.me>
+ #
+ # For the full copyright and license information, please view the LICENSE
+ # file that was distributed with this source code.
+
+ssl_dhparam /etc/ssl/private/dhparams.pem;
+
+ssl_protocols TLSv1.2 TLSv1.3;
+ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305;
+ssl_prefer_server_ciphers off;
+
+ssl_session_timeout 1d;
+ssl_session_cache shared:SSL:50m;
+ssl_session_tickets off;
+
+ssl_stapling on;
+ssl_stapling_verify on;
+ssl_buffer_size 4k;