update admin: detect own external ip

public_html/admin/index.php

@@ -37,7 +37,7 @@ if (!$oR->isEnabled()){
 } else {
 
     $sUrl=(isset($_GET['url']) && $_GET['url']) ? $sUrl=$_GET['url'] : '';
-    $sMyIp=gethostbyname(gethostname($_SERVER['SERVER_NAME']));
+    $sMyIp=gethostbyname($_SERVER['SERVER_NAME']);
 
     if(!$sMyIp){
         $sErrors.='<li>Ip address of current host ['.$_SERVER['SERVER_NAME'].'] was not found.</li>';