add_header Content-Security-Policy "default-src 'none'; script-src 'self' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self'; font-src 'self'; connect-src https://*.apps.de1.bosch-iot-cloud.com; form-action 'none'; frame-ancestors 'none'; base-uri 'self'";
add_header X-Frame-Options DENY;
add_header X-DNS-Prefetch-Control off;
add_header Strict-Transport-Security "max-age=15552000; includeSubDomains";
add_header X-Download-Options noopen;
add_header X-Content-Type-Options nosniff;
add_header X-Permitted-Cross-Domain-Policies none;
add_header Referrer-Policy no-referrer;
add_header X-XSS-Protection "1; mode=block";