# Improve performance
ssl_session_timeout 1d;
ssl_session_cache shared:SSL:50m;
ssl_session_tickets off;
# Disable insecure cyphers
ssl_protocols TLSv1.2 TLSv1.3;
ssl_prefer_server_ciphers off;
# From https://ssl-config.mozilla.org
# Oldest compatible clients:  Firefox 27, Android 4.4.2, Chrome 31, Edge, IE 11 on Windows 7, Java 8u31, OpenSSL 1.0.1, Opera 20, and Safari 9
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:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384';
# Unique DH Group, see https://weakdh.org/sysadmin.html
ssl_dhparam /etc/ssl/private/dhparams.pem;