/**
* @param resource $connection
* @param Config $config
* @return resource
* @throws ConnectionFailed
*/
private function authenticateConnection($connection, Config $config)
{
$auth = @ssh2_auth_password($connection, $config->getUserName(), $config->getPassWord());
if (!$auth) {
throw new ConnectionFailed('Authentication with ZyXEL failed');
}
return $connection;
}
