add_header Strict-Transport-Security 'max-age=31536000';

proxy_hide_header X-XSS-Protection;
proxy_hide_header X-Powered-By;
      
add_header X-Frame-Options 'SAMEORIGIN';
add_header X-Content-Type-Options 'nosniff';
add_header X-Permitted-Cross-Domain-Policies 'none';
add_header X-XSS-Protection '1; mode=block';
add_header Referrer-Policy 'same-origin';
add_header Content-Security-Policy "upgrade-insecure-requests" always;
add_header Feature-policy "accelerometer 'none';ambient-light-sensor 'none'; autoplay 'none';camera 'none';encrypted-media 'self';focus-without-user-activation 'none'; geolocation 'none';gyroscope 'none';magnetometer 'none';microphone 'none';midi 'none';payment 'none';picture-in-picture 'none'; speaker 'none';sync-xhr 'none';usb '*';vr 'none'";