Index: bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.38
diff -U3 -r1.38 bootstrap.inc
--- bootstrap.inc	9 Jan 2005 09:22:38 -0000	1.38
+++ bootstrap.inc	11 Mar 2005 04:20:41 -0000
@@ -468,6 +468,13 @@
       bootstrap_invoke_all('exit');
       exit();
     }
+    else {
+      header("Expires: Sun, 19 Nov 1978 05:00:00 GMT");
+      header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
+      header("Cache-Control: no-store, no-cache, must-revalidate");
+      header("Cache-Control: post-check=0, pre-check=0", false);
+      header("Pragma: no-cache");
+    }
   }
 }