There are following below methods to add X-XSS-Protection Security Header in Apache or NGINX or .HTACCESS [1] How to add in Nginx configuration file There are following code need to add in Nginx configuration file add_header set X-XSS-Protection “1; mode=block”; [2] How to add in Apache configuration file There are following code need to add … Continue reading How to add X-XSS-Protection Security Header