Header always set X-Frame-Options "DENY"
Header always set X-Xss-Protection "1; mode=block"
Header always set X-Content-Type-Options "nosniff"
Header always set Referrer-Policy "same-origin"
Header always set Content-Security-Policy "default-src 'none'; img-src 'self'"
Header always add Strict-Transport-Security "max-age=31536000; preload"
