? hook_url_rewrite_1.patch
? sites/default/files
? sites/default/settings.php
Index: includes/bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.259
diff -u -p -r1.259 bootstrap.inc
--- includes/bootstrap.inc	23 Dec 2008 19:59:17 -0000	1.259
+++ includes/bootstrap.inc	24 Dec 2008 21:46:07 -0000
@@ -406,7 +406,7 @@ function drupal_initialize_variables() {
   // Use session cookies, not transparent sessions that puts the session id in
   // the query string.
   ini_set('session.use_only_cookies', '1');
-  ini_set('session.use_trans_sid', '1');
+  ini_set('session.use_trans_sid', '0');
   // Don't send HTTP headers using PHP's session handler.
   ini_set('session.cache_limiter', 'none');
 }