On Debian systems … Apache comes with mod_status compiled by default.
mod_status provides information on the Apache server activity and performance.
This tutorial will show you how to enable this feature, so that only requested issued from localhost are accepted and served.
Setting mod_status up:
By default, server status report is commented so you can not access it. To enable it, you need to uncomment from /etc/apache2/apache2.conf:
<Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from .your_domain.com </Location>