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Question:

Cannot use ftp2 to putfile works with CuteFTP

Jan 11 '16 at 12:41

Trying to figure out what the problem is with transferring a file with the ftp2 .NET Not problems with other ftp sites and works when using CuteFTP client to send a file to the problem ftp site.

I could use some help figuring out what the problem is and getting this work.

ChilkatLog:
  PutFile:
    DllDate: May  8 2014
    ChilkatVersion: 9.5.0.39
    UnlockPrefix: MATTHEFTP
    Username: KGBD010:mwilkinson
    Architecture: Little Endian; 32-bit
    Language: .NET 4.0
    VerboseLogging: 0
    LocalFilename: C:\Users\mwilkinson.GARFFAD\Documents\Visual Studio 2013\Projects\SendDataToVendor\SendDataToVendor\bin\Release\utahcountysupersonic_20140508.csv
    RemoteFilename: utahcountysupersonic_20140508.csv
    ProgressMonitoring:
      enabled: yes
      heartbeatMs: 0
      sendBufferSize: 65536
    --ProgressMonitoring
    IdleTimeoutMs: 60000
    ReceiveTimeoutMs: 60000
    ConnectTimeoutSeconds: 240
    uploadFromLocalFile:
      localFileSize: 52623
      uploadFromDataSource:
        initialGreeting: 220-Welcome to Alexanders FTP!
220 CrushFTP Server Ready!
        restartNext: 0
        modeZ: 0
        binaryMode: 0
        setupDataConnection:
          passive transfer mode
          setupPassiveDataSocket:
            sendCommand:
              sendingCommand: EPSV
            --sendCommand
            readCommandResponse:
              replyLineQP: 229 Entering Extended Passive Mode (|||2606|)
              commandResponse: 229 Entering Extended Passive Mode (|||2606|)
              statusCode: 229
            --readCommandResponse
            dataConnect:
              hostname: 76.8.215.233
              port: 2606
              connect2:
                ConnectFailReason: Connection rejected
              --connect2
              dataConnectSuccess: 0
            --dataConnect
            setupPassiveDataSocket dataConnect failed..
          --setupPassiveDataSocket
          Failed to setup passive data socket for upload
        --setupDataConnection
      --uploadFromDataSource
    --uploadFromLocalFile
    TotalTime: Elapsed time: 21029 millisec
    Failed.
  --PutFile
--ChilkatLog

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Answer

Try setting the PassiveUseHostAddr property = true.

Also, see this: http://www.cknotes.com/determining-ftp2-connection-settings/

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Answer

Was there a resolution to this? My client has an application that is returning the exact same log entries. We have a Sonicwall firewall and have done everything we can to the firewall to minimize the risk of invasive packet interruption, but disabling deep packet inspection, etc, and cannot find a solution.