Настройка symlink для работы второго сайта на поддомене

RewriteEngine On
RewriteCond %{HTTP_HOST} !^site\.ru [NC]
RewriteRule (.*) http://^www.site.ru/$1 [R=301,L]

require($_SERVER["DOCUMENT_ROOT"]."/bitrix/header.php");

foreach (GetModuleEvents("main", "OnPageStart", true) as $arEvent)
   ExecuteModuleEventEx($arEvent);

 [4] => Array
        (
            [SORT] => 100
            [TO_MODULE_ID] => security
            [TO_PATH] => 
            [TO_CLASS] => Bitrix\Security\HostRestriction
            [TO_METHOD] => onPageStart
            [TO_METHOD_ARG] => Array
                (
                )

            [VERSION] => 2
            [TO_NAME] => Bitrix\Security\HostRestriction::onPageStart (security)
            [FROM_DB] => 1
            [FROM_MODULE_ID] => main
            [MESSAGE_ID] => OnPageStart
        )