# a2enmod mod-security
Then on the main Apache configuration or security file you need to add these lines:
ServerTokens OSThis will change Apache httpd server "http get" header to "Server: Microsoft-IIS/8.5", and it will be reported as Microsoft ISS web server look at this page for confirmation. Of course you need to restart it to make changes.
Also if you are using PHP with the Apache httpd web server you can hide the php information by adding this line to php.ini:
expose_php = OffThis will enhance security of your web server by sabotaging information. For attacker it will be harder to find what httpd daemon you are using.