if (passiveNatWorkaround) {
                ftpClient.setPassiveNatWorkaroundStrategy(new NatServerResolverImpl(ftpClient));
            }
            ftpClient.setUseEPSVwithIPv4(useEPSVwithIPv4);

            ftpClient.configure(ftpClientConfig);

            ftpClient.connect(info.getHost(), info.getPort());
            validateRequest(ftpClient);