ssl_protocols TLSv1.2 TLSv1.3; ssl_prefer_server_ciphers on; ssl_ciphers 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_session_timeout 1d; ssl_session_cache shared:SSL:10m; ssl_session_tickets off; resolver 8.8.8.8 8.8.4.4 valid=300s; resolver_timeout 5s; add_header X-Frame-Options DENY; add_header X-Content-Type-Options nosniff; add_header X-XSS-Protection "1; mode=block";