# Security headers for playground.schwenk.online (plain static HTML). add_header Strict-Transport-Security "max-age=63072000; includeSubDomains" always; add_header X-Frame-Options "SAMEORIGIN" always; add_header X-Content-Type-Options "nosniff" always; add_header Referrer-Policy "strict-origin-when-cross-origin" always; add_header Permissions-Policy "geolocation=(), microphone=(self), camera=()" always; add_header Content-Security-Policy "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; base-uri 'self'; form-action 'self'; object-src 'none'" always;