[ubuntu] Apache, PHP 버전정보 숨기기(Hide apache, php version in ubuntu)

sudo gedit /etc/apache2/conf-available/security.conf

"ServerTokens OS" 찾은 뒤 "ServerTokens Prod"로 변경

Prod : Apache

Min : Apache version

OS : Apache verstion, OS info

Full : all info

sudo gedit /etc/php5/apache2/php.in

"expose_php = On" 찾은 뒤 "expose_php = Off"로 변경