protected function runCacheBanList()
    {
        $connector = Mage::getSingleton('ecomdev_varnish/connector');
        foreach ($connector->getVarnishPool()->getServers() as $server) {
            fwrite(STDOUT, sprintf('Ban list for server %s %s', (string)$server, PHP_EOL));
            fwrite(STDOUT, $server->execute('ban.list'));
        }
    }