Alias /pnp4nagios "/usr/share/pnp4nagios/html"

<Directory "/usr/share/pnp4nagios/html">
   	AllowOverride None

   	AuthName "Icinga Access"
   	AuthType Basic
   	AuthUserFile /etc/icinga/htpasswd.users
   	Require valid-user
	<IfModule mod_rewrite.c>
		# Turn on URL rewriting
		RewriteEngine On
		Options symLinksIfOwnerMatch
		# Installation directory
		RewriteBase /pnp4nagios/
		# Protect application and system files from being viewed
		RewriteRule "^(?:application|modules|system)/" - [F]
		# Allow any files or directories that exist to be displayed directly
		RewriteCond "%{REQUEST_FILENAME}" !-f
		RewriteCond "%{REQUEST_FILENAME}" !-d
		# Rewrite all other URLs to index.php/URL
		RewriteRule "^.*$" "index.php/$0" [PT]
	</IfModule>
</Directory>