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;
ssl_prefer_server_ciphers on;
ssl_session_cache shared:SSL:10m;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_dhparam /etc/ssl/private/dhparam.pem;
ssl_session_tickets off;
ssl_stapling on;
ssl_stapling_verify on;
resolver 129.97.134.4 129.97.18.20 [2620:101:f000:4901:c5c::4] [2620:101:f000:7300:c5c::20] valid=300s;
resolver_timeout 5s;
ssl_trusted_certificate /etc/ssl/certs/ca-certificates.crt;