diff --git a/hsarback/src/de/hsadmin/mods/dom/httpd-vhost-dynamic.jtpl b/hsarback/src/de/hsadmin/mods/dom/httpd-vhost-dynamic.jtpl
index 99043e2..ea86656 100644
--- a/hsarback/src/de/hsadmin/mods/dom/httpd-vhost-dynamic.jtpl
+++ b/hsarback/src/de/hsadmin/mods/dom/httpd-vhost-dynamic.jtpl
@@ -31,13 +31,20 @@
 
     RewriteEngine On
     RewriteOptions Inherit
+    
     RewriteCond %{REQUEST_URI} !^/cgi-bin/
     RewriteCond %{REQUEST_URI} !^/fastcgi-bin/
     RewriteCond %{HTTP_HOST} ^(.+)\.{DOM_HOSTNAME}\.?(:80)?$ [novary]
     RewriteCond /home/doms/{DOM_HOSTNAME}/subs/${tolower:%1} -d
     RewriteRule ^(.*) /home/doms/{DOM_HOSTNAME}/subs/${tolower:%1}$1 [last]
 
-    AddType application/x-httpd-php .php .php5 .php4 .php3
+<!-- BEGIN: nosubdomainfallbackforhttp -->    RewriteCond %{REQUEST_URI} !^/cgi-bin/
+    RewriteCond %{REQUEST_URI} !^/fastcgi-bin/
+    RewriteCond %{HTTP_HOST} ^(.+)\.{DOM_HOSTNAME}\.?(:80)?$ [novary]
+    RewriteCond /home/doms/{DOM_HOSTNAME}/subs/${tolower:%1} !-d
+    RewriteRule ^(.*) - [redirect=404,last]
+
+<!-- END: nosubdomainfallbackforhttp -->    AddType application/x-httpd-php .php .php5 .php4 .php3
     Action application/x-httpd-php /fastcgi-bin/phpstub
 
 </VirtualHost>
@@ -82,13 +89,20 @@
     
     RewriteEngine On
     RewriteOptions Inherit
+
     RewriteCond %{REQUEST_URI} !^/cgi-bin/
     RewriteCond %{REQUEST_URI} !^/fastcgi-bin/
     RewriteCond %{HTTP_HOST} ^(.+)\.{DOM_HOSTNAME}\.?(:443)?$ [novary]
     RewriteCond /home/doms/{DOM_HOSTNAME}/subs-ssl/${tolower:%1} -d
     RewriteRule ^(.*) /home/doms/{DOM_HOSTNAME}/subs-ssl/${tolower:%1}$1 [last]
-
-    AddType application/x-httpd-php .php .php5 .php4 .php3
+    
+<!-- BEGIN: nosubdomainfallbackforhttps -->    RewriteCond %{REQUEST_URI} !^/cgi-bin/
+    RewriteCond %{REQUEST_URI} !^/fastcgi-bin/
+    RewriteCond %{HTTP_HOST} ^(.+)\.{DOM_HOSTNAME}\.?(:443)?$ [novary]
+    RewriteCond /home/doms/{DOM_HOSTNAME}/subs-ssl/${tolower:%1} !-d
+    RewriteRule ^(.*) - [redirect=404,last]
+    
+<!-- END: nosubdomainfallbackforhttps -->    AddType application/x-httpd-php .php .php5 .php4 .php3
     Action application/x-httpd-php /fastcgi-bin/phpstub
 
 </VirtualHost>