add_header Referrer-Policy same-origin;
add_header X-Content-Type-Options nosniff;
add_header X-Frame-Options sameorigin;
add_header X-XSS-Protection "1; mode=block";
proxy_hide_header Referrer-Policy;
proxy_hide_header X-Content-Type-Options;
proxy_hide_header X-Frame-Options;
proxy_hide_header X-XSS-Protection;