FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(address);
                request.Method = WebRequestMethods.Ftp.AppendFile;
                request.Credentials = new NetworkCredential(username, password);
                request.UsePassive = true;
                request.UseBinary = true;
                request.KeepAlive = false;

                FileStream stream = File.OpenRead(fileName);  
                
                byte[] buffer = new byte[stream.Length];   stream.Read(buffer, 0, buffer.Length);          stream.Close();


                Stream reqStream = request.GetRequestStream();
                reqStream.Write(buffer, 0, buffer.Length);
                reqStream.Close();

                //http://www.rebex.net/support/tutorial/ftp/default.aspx#basics
                var client = new Rebex.Net.Ftp();
                client.Connect("ftp://***");
                client.Login("*", "*");
                client.PutFile("verygood.txt", "test2.zip");
                client.Disconnect();

 public void Method1(string address, string fileName, string username, string password)
        {
            try
            {
                FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create(address);
                request.Method = WebRequestMethods.Ftp.UploadFile;
                request.Credentials = new NetworkCredential(username, password);

    request.UsePassive = false;  //!!!!!  <<=== FALSE  !!!!!

                request.UseBinary = true;
                request.KeepAlive = false;

                FileStream stream = File.OpenRead(fileName);
                byte[] buffer = new byte[stream.Length]; stream.Read(buffer, 0, buffer.Length); stream.Close();

                Stream reqStream = request.GetRequestStream();
                reqStream.Write(buffer, 0, buffer.Length);
                reqStream.Close();
                "Upload suxxes !!!";
               
            }
            catch (Exception e1)
            {
                e1.ToString();
            }
        }