ComponentPro UltimateFtp

      Upgrade to encrypted communication

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      If you want to upgrade an unsecure/plain FTP connection to a secured one, use the UpgradeConnection method as shown below:

      // Create a new class instance. 
      using (Ftp client = new Ftp())
      {
          // Connect to the unsecure FTP server. 
          client.Connect("myserver", 21);
      
          // Authenticate. 
          client.Authenticate("userName", "password");
      
          // ... 
       
          // Upgrade to the secure connection 
          client.UpgradeConnection();
      
          // ...
      }