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Trouble with FTPES from a Windows Server

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  • Trouble with FTPES from a Windows Server

    I just upgraded from Standard to Pro to take advantage of FTPES support.
    When I do a folder compare to a Windows Server 2008 R2 FTPES connection, I get this message frequently:
    The specified data could not be decrypted.
    and the folder compare does not complete.

    A Google search for that error finds several FileZilla bug reports that say that the problem was traced to a bad GnuTLS (which I have no idea if Beyond Compare uses).

    Any thoughts?

  • #2
    Yakatz,

    Sorry for the delay in responding to your message. We'll setup a test system with Windows 2008 R2 FTPES to see if we can duplicate the problem.
    Chris K Scooter Software

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    • #3
      Not sure if it matters, but we are using an SSL certificate from StartSLL: RSA (4096 Bits), SHA1.
      You can get them for free (if it helps for the testing).

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      • #4
        I tested FTPES to a Windows 2008 R2 with a self signed certificate and it didn't generate any errors. I'll try repeating it with a StartSSL certificate and let you know what I find out.
        Chris K Scooter Software

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        • #5
          I tested with a free StartSSL certificate using BC 3.3.0 and 3.2.4, but I didn't see any errors.

          Do you see an error message as soon as you connect, or does it only show up after you've been connected for a while?

          Do you see an error message if you connect with another FTPS client like FileZilla?
          Chris K Scooter Software

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          • #6
            The error shows up during a large file compare or transfer.
            I have Show differences only set and I am comparing a folder with several thousand folders in several sub-directories.
            I know that the only differences are orphan files, so when I do Compare Contents, which should cause everything else to disappear.
            This error causes a few files not to be compared (or in large transfers, for some not to transfer).

            The problem showed up in older versions of FileZilla, specifically when there was a delay in the network connection.

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            • #7
              Thanks for the clarification. I repeated the bug once I transferred a large number of files to the FTPS server. I'll add this to our bug list and we'll work on a fix.
              Chris K Scooter Software

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