public function isTrustedClientIp()
    {
        $blTrusted = false;
        $aTrustedIPs = ( array ) \OxidEsales\Eshop\Core\Registry::getConfig()->getConfigParam("aTrustedIPs");
        if (count($aTrustedIPs)) {
            $blTrusted = in_array($this->getRemoteAddress(), $aTrustedIPs);
        }

        return $blTrusted;
    }