diff --git a/advanced/lighttpd.conf b/advanced/lighttpd.conf
index a103c3ee..37763f97 100644
--- a/advanced/lighttpd.conf
+++ b/advanced/lighttpd.conf
@@ -2,6 +2,7 @@ server.modules = (
 	"mod_expire",
 	"mod_compress",
  	"mod_redirect",
+	"mod_setenv",
 	"mod_rewrite"
 )
 
@@ -26,13 +27,20 @@ include_shell "/usr/share/lighttpd/use-ipv6.pl " + server.port
 include_shell "/usr/share/lighttpd/create-mime.assign.pl"
 include_shell "/usr/share/lighttpd/include-conf-enabled.pl"
 
-# Set access to 1 day for better query performance when the list gets so large
-# http://jacobsalmela.com/raspberry-pi-block-ads-adtrap/#comment-2013820434
-$HTTP["url"] =~ "^/pihole/" {
-        expire.url = ("" => "access plus 1 days")
+# If the URL starts with /admin, it is the Web interface
+$HTTP["url"] =~ "^/admin/" {
+	# Create a response header for debugging using curl -I
+	setenv.add-response-header = ( "X-Pi-hole" => "The Pi-hole Web interface is working!" )
 }
 
-# Rewrites all URLs to the /var/www/pihole/index.html
-$HTTP["host"] =~ ".*" {
-     url.rewrite = (".*" => "pihole/index.html")
+# If the URL does not start with /admin, then it is a query for an ad domain
+$HTTP["url"] =~ "^(?!/admin)/.*" {
+	# Create a response header for debugging using curl -I
+	setenv.add-response-header = ( "X-Pi-hole" => "A black hole for Internet advertisements." )
+
+	# Set the cache to 1 day for better performance
+	expire.url = ("" => "access plus 1 days")
+
+	# Send the query into the black hole
+	url.rewrite = (".*" => "pihole/index.html" )
 }