worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; server { listen 80; server_name _; root /usr/share/nginx/html; access_log off; error_log off; add_header Content-Security-Policy "default-src 'none'"; add_header Referrer-Policy "same-origin"; add_header Feature-Policy "sync-xhr 'none'"; add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload"; add_header X-Content-Type-Options "nosniff"; add_header X-Frame-Options "DENY"; add_header X-XSS-Protection: "1; mode=block"; add_header X-NetworkManager-Status "online"; location /generate204 { return 204; } } }