- Patch #173225 by killes: missing ip_address(). Slightly modified by me.

modules/user/user.module

@@ -3478,6 +3478,6 @@ function user_block_user_action(&$object, $context = array()) {
  * Adds an access rule that blocks the user's IP address.
  */
 function user_block_ip_action() {
-  db_query("INSERT INTO {access} (mask, type, status) VALUES ('%s', '%s', %d)", $_SERVER['REMOTE_ADDR'], 'host', 0);
-  watchdog('action', 'Banned IP address %ip', array('%ip' => $_SERVER['REMOTE_ADDR']));
+  db_query("INSERT INTO {access} (mask, type, status) VALUES ('%s', '%s', %d)", $ip, 'host', 0);
+  watchdog('action', 'Banned IP address %ip', array('%ip' => ip_address()));
 }