Header set X-Clacks-Overhead "GNU Terry Pratchett" Header always set X-Content-Type-Options "nosniff" "expr=-z %{resp:X-Content-Type-Options}" Header always set X-Frame-Options "sameorigin" "expr=-z %{resp:X-Frame-Options}" Header always set Referrer-Policy "no-referrer" "expr=-z %{resp:Referrer-Policy}" # Header always set X-Xss-Protection "1; mode=block" "expr=-z %{resp:X-Xss-Protection}" Header always set X-Xss-Protection "1" "expr=-z %{resp:X-Xss-Protection}"