add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload" always;
add_header X-Content-Type-Options "nosniff" always;
add_header X-Frame-Options "DENY" always;
add_header Referrer-Policy "strict-origin-when-cross-origin" always;
add_header Permissions-Policy "$mesh_permissions_policy" always;
add_header Cross-Origin-Opener-Policy "same-origin" always;
add_header Cross-Origin-Resource-Policy "same-origin" always;
add_header Content-Security-Policy "default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob: https://basemaps.cartocdn.com https://*.basemaps.cartocdn.com https://openstreetmap.org https://*.openstreetmap.org; connect-src 'self' wss: https:; font-src 'self' data:; worker-src 'self' blob:; object-src 'none'; base-uri 'self'; frame-ancestors 'none'; form-action 'self'" always;