How to add X-XSS-Protection Security Header

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 in Apache configuration file

header always set X-XSS-Protection "1; mode=block"



[3] How to add in .htaccess file

There are following code need to add in .htaccess configuration file

<IfModule mod_headers.c>
Header set X-XSS-Protection "1; mode=block" 
<IfModule mod_headers.c>

HTTP Security Headers Checker Tool

https://www.site2info.com/sitesecurity.php