listen 443 ssl http2;
ssl_certificate /etc/letsencrypt/live/williamprof.it/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/williamprof.it/privkey.pem;

ssl_protocols TLSv1.3 TLSv1.2;# Requires nginx >= 1.13.0 else use TLSv1.2
ssl_prefer_server_ciphers on;
ssl_dhparam /etc/nginx/dhparams.pem; # openssl dhparam -out /etc/nginx/dhparams.pem 4096
ssl_ciphers TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256:ECDHE-RSA-AES256-GCM-SHA512:DHE-RSA-AES256-GCM-SHA512:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384;
ssl_ecdh_curve secp384r1; # Requires nginx >= 1.1.0
ssl_session_timeout  10m;
ssl_session_cache shared:SSL:10m;
ssl_session_tickets off; # Requires nginx >= 1.5.9
ssl_stapling on; # Requires nginx >= 1.3.7
ssl_stapling_verify on; # Requires nginx => 1.3.7
resolver 127.0.0.1 valid=300s;
resolver_timeout 5s;
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
add_header X-Frame-Options DENY;
add_header X-Content-Type-Options nosniff;
add_header X-XSS-Protection "1; mode=block";