--- librpc/idl/security.idl.orig	2013-06-05 14:30:53.371937708 -0700
+++ librpc/idl/security.idl	2013-06-05 14:31:49.446196867 -0700
@@ -524,7 +524,7 @@ interface security
 	typedef [public,gensize,nosize] struct {
 		security_acl_revision revision;
 		[value(ndr_size_security_acl(r,ndr->flags))] uint16 size;
-		[range(0,1000)] uint32 num_aces;
+		[range(0,1800)] uint32 num_aces;
 		security_ace aces[num_aces];
 	} security_acl;