Index: modules/upload.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/Attic/upload.module,v
retrieving revision 1.100.2.6
diff -u -r1.100.2.6 upload.module
--- modules/upload.module	6 Aug 2006 23:48:32 -0000	1.100.2.6
+++ modules/upload.module	7 Sep 2006 12:01:17 -0000
@@ -195,7 +195,8 @@
         return array(
           'Content-Type: '. $type .'; name='. $name,
           'Content-Length: '. $file->filesize,
-          'Content-Disposition: '. $disposition .'; filename='. $name
+          'Content-Disposition: '. $disposition .'; filename='. $name,
+	  'Expires: 0', 'Pragma: cache', 'Cache-Control: private'
         );
       }
       else {