    protected function initServiceMode($request)
    {
        $config = $this->get(Shopware_Components_Config::class);
        if (!empty($config->get('setOffline'))
            && !str_contains($config->get('offlineIp'), $request->getClientIp())
            && $request->getControllerName() !== 'error'
        ) {
            $request->setControllerName('error')->setActionName('service')->setDispatched(false);
        }
    }
A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.