Example:
//authentication
QString concatenated = "admin:admin"; //username:password
QByteArray data = concatenated.toLocal8Bit().toBase64();
QString headerData = "Basic " + data;
QNetworkRequest request=QNetworkRequest(QUrl("http://192.168.1.10/getinfo"));
request.setRawHeader("Authorization", headerData.toLocal8Bit());
networkAccessManager->get(request);
//by dqthe