--- php-5.3.1/ext/session/session.c	2009-07-28 10:54:23.000000000 +0200
+++ active-3.1/ext/session/session.c	2009-12-02 14:00:20.000000000 +0100
@@ -1144,7 +1144,7 @@
 	ADD_HEADER("Expires: Thu, 19 Nov 1981 08:52:00 GMT");
 
 	/* For HTTP/1.1 conforming clients and the rest (MSIE 5) */
-	ADD_HEADER("Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
+	ADD_HEADER("Cache-Control: private, no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
 
 	/* For HTTP/1.0 conforming clients */
 	ADD_HEADER("Pragma: no-cache");