Index: trunk/packages/sipb-xen-www/code/cache_acls.py
===================================================================
--- trunk/packages/sipb-xen-www/code/cache_acls.py	(revision 433)
+++ trunk/packages/sipb-xen-www/code/cache_acls.py	(revision 434)
@@ -28,5 +28,5 @@
         if isUser(name):
             return [name]
-        name = 'system:'+name
+        return []
     try:
         return getafsgroups.getAfsGroupMembers(name, 'athena.mit.edu')