# Shared security headers. nginx's add_header does NOT inherit across # levels once a location adds its own header, so every location includes # this snippet explicitly. include /etc/nginx/snippets/csp.conf; add_header X-Content-Type-Options "nosniff" always; add_header X-Frame-Options "DENY" always; add_header Referrer-Policy "no-referrer" always; add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), interest-cohort=()" always; add_header Cross-Origin-Opener-Policy "same-origin" always; add_header Cross-Origin-Resource-Policy "same-origin" always;