Index: branches/version-2_5-dev/data/class/pages/admin/LC_Page_Admin.php
===================================================================
--- branches/version-2_5-dev/data/class/pages/admin/LC_Page_Admin.php	(revision 19854)
+++ branches/version-2_5-dev/data/class/pages/admin/LC_Page_Admin.php	(revision 19857)
@@ -46,6 +46,6 @@
         
         //IP制限チェック
-        if(defined("ADMIN_ALLOW_HOSTS")){
-            $allow_hosts = unserialize(ADMIN_ALLOW_HOSTS);
+        $allow_hosts = unserialize(ADMIN_ALLOW_HOSTS);
+        if(count($allow_hosts) > 0){
             if(array_search($_SERVER["REMOTE_ADDR"],$allow_hosts) === FALSE){
                 SC_Response::sendError("403");