Index: index.php
===================================================================
RCS file: /cvs/drupal/drupal/index.php,v
retrieving revision 1.94
diff -u -p -r1.94 index.php
--- index.php	26 Dec 2007 08:46:48 -0000	1.94
+++ index.php	10 Feb 2008 15:40:12 -0000
@@ -15,6 +15,9 @@
 require_once './includes/bootstrap.inc';
 drupal_bootstrap(DRUPAL_BOOTSTRAP_FULL);
 
+// Reset the cached client IP address which may have been stored between requests.
+ip_address(TRUE);
+
 $return = menu_execute_active_handler();
 
 // Menu status constants are integers; page content is a string.
Index: includes/bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.206
diff -u -p -r1.206 bootstrap.inc
--- includes/bootstrap.inc	10 Jan 2008 22:47:17 -0000	1.206
+++ includes/bootstrap.inc	10 Feb 2008 15:40:12 -0000
@@ -1113,13 +1113,15 @@ function language_default($property = NU
  * instead of $_SERVER['REMOTE_ADDR'], which would be the IP address
  * of the proxy server, and not the client's.
  *
+ * @param $reset
+ *   If TRUE, resets the cached IP address.
  * @return
  *   IP address of client machine, adjusted for reverse proxy.
  */
-function ip_address() {
+function ip_address($reset = FALSE) {
   static $ip_address = NULL;
 
-  if (!isset($ip_address)) {
+  if (!isset($ip_address) || $reset) {
     $ip_address = $_SERVER['REMOTE_ADDR'];
     if (variable_get('reverse_proxy', 0) && array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
       // If an array of known reverse proxy IPs is provided, then trust