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FTP Error: 425 Unable to open data connection

  • 1.  FTP Error: 425 Unable to open data connection

    Posted Mon November 07, 2016 03:52 AM

    Hi all,

    I am trying to establish a FTP connection from my Windows laptop to RDT v9.0 with the following command:

     

            ftp xxx.xx.x.xxx

            User

            Passw

     

    And i get this message:

            230 IBMUSER is logged on. Working directory is "IBMUSER.".

     

    Everything is ok in this point. But, now i cannot execute commands for example put, get, ls, etc... because i see this message during a couple of minutes:

            200 Port request OK

     

    And later I receive this other message:

           425 Unable to open data connection

     

    We see with the "netstat" command that the connection is established in the port 21 and the port 20 appear as Synsent.

     

    We tried the FTP doing these other actions:

            - FTP Active and Passive

            - The Windows firewall and the Linux firewall are stopped.

            - The RDT is configured as scenario 4.

     

    Please, could you help us in this subject ?

     

    Thanks and regards,

     

    Raul15


  • 2.  Re: FTP Error: 425 Unable to open data connection

    Posted Wed November 09, 2016 11:04 AM

    Hi Raul,

    Did you happen to apply the fix that is mentioned in this forum post?

    https://www.ibm.com/developerworks/community/forums/html/topic?id=0b2e010d-9d7e-43fb-b089-9935b9d28ff0&ps=25

    If you have not, I would suggest applying the fix and then trying to FTP again.

     

    Regards,

    Rick
     

    rbrunkh


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