diff -urN pnp4nagios-0.6.21/sample-config/httpd.conf.in pnp4nagios-0.6.21.httpd24/sample-config/httpd.conf.in
--- pnp4nagios-0.6.21/sample-config/httpd.conf.in	2013-03-24 17:25:56.000000000 +0100
+++ pnp4nagios-0.6.21.httpd24/sample-config/httpd.conf.in	2013-07-03 09:32:06.852570024 +0200
@@ -4,8 +4,19 @@
 
 <Directory "@datarootdir@">
    	AllowOverride None
-   	Order allow,deny
-   	Allow from all
+	<IfModule mod_authz_core.c>
+		# Apache 2.4
+		<RequireAll>
+			Require all granted
+			Require valid-user
+		</RequireAll>
+	</IfModule>
+	<IfModule !mod_authz_core.c>
+		# Apache 2.2
+	   	Order allow,deny
+	   	Allow from all
+		Require valid-user
+	</IfModule>
    	#
    	# Use the same value as defined in nagios.conf
    	#