# Security headers add_header Strict-Transport-Security "max-age=31536000" always; add_header X-Content-Type-Options nosniff always; add_header X-Frame-Options SAMEORIGIN always; add_header X-XSS-Protection "1; mode=block" always; add_header Referrer-Policy "strict-origin-when-cross-origin" always; add_header Permissions-Policy "geolocation=(),microphone=(),camera=(),payment=(),usb=(),battery=(),display-capture=()" always; server_tokens off;