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FTP problems

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  • FTP problems

    Anyone *really* understand Windows (XP) security?

    I have a customer who has been using the same desktop app and the same web pages - no changes at all for at least 2 months - and the ftp function that worked yesterday won't work today. The function is ftp_put_file_modal().

    Note that I did not say "FTP won't work" - only that this A5 function won't work. In fact, none of the FTP functions in Alpha will work anymore. So, my work-around is to use the 3rd party WCL_FTP.exe program to send the same files via FTP. It works first time every time.

    I have one other customer who has had the same problem ever since her computer was installed. This latest customer's system was working fine yesterday. She said she hasn't added anything new herself recently but did get an unusual security warning this morning and now the FTP routines in A5 won't work anymore.

    She has completely shut down her computer and restarted it with no success. All other internet access works fine.

    Any thoughts on what Windows setting might have changed?

  • #2
    Re: FTP problems

    I do not have a clue as too why the FTP functions would stop working all of a sudden. Might need to contact Alpha to determine how they functions work behind the scenes. This might be a faster method than to trying to guess at the problem.

    Here is what I would try.

    Uninstall / Reinstall alpha5 (I assume you already tried this)

    Take a look at the event logs, anything there look interesting?
    I saw a way old post about a user having a strange issue and it was related to the windows scripting host being corrupt. Sorry don't remember who it was that posted but Lenny (from alpha) helped solve the problem. I believe a re-installation of the windows scripting could have caused it.

    Is the computer part of a domain? Has the computer administrator made any behind the scenes changes?

    Firewalls are allowing the ftp to get thru? I would assume yes because you say you can use another ftp client. On the other hand some firewalls block based on the executable file name (this could explain why one ftp client works and another doesn't)

    What is the error message? Or is it simply no response no error type of situation.

    Can also try running "sfc /scannow" it will verify the integrity of the windows system files.


    Is the user administrator of the machine or in a lesser security group?

    Microsoft pushed updates out last night, possible one of the updates broke the ftp.

    Sorry if these ideas are all over the place, just trying to guess at what I would check first.
    Andrew

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    • #3
      Re: FTP problems

      Cal

      When I got in this morning and turned on my computer, there was a message that security updates were installed overnight.

      When I went into Windows update center and check the status of my updates I noticed that there were five security updates installed via windows update.

      I'm not saying that is the cause, but you could check the updates that were installed and remove them through add/remove software and see if it returns to normal.

      Just a thought.

      Tom Baker

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      • #4
        Re: FTP problems

        Cal,

        Do they have zone alarm installed? This caused me no end of problems as it kept clashing with windows update and at one point stopped all access to the web.

        Comment


        • #5
          Re: FTP problems

          Originally posted by gmeredith17 View Post
          Cal,

          Do they have zone alarm installed? This caused me no end of problems as it kept clashing with windows update and at one point stopped all access to the web.
          No. And we did shut down their existing firewall but it didn't help.

          And, there is no problem with any other web access.

          This is now at least the second, and I believe the third, time I've seen this. I'm shocked that apparently nobody else in the whole Alpha world has seen it. Maybe nobody else uses A5's FTP?

          Comment


          • #6
            Re: FTP problems

            Have you checked the FTP server logs to see if the initial connection is being made?
            Andrew

            Comment


            • #7
              Re: FTP problems

              Hi Cal,

              Originally posted by CALocklin View Post
              I'm shocked that apparently nobody else in the whole Alpha world has seen it. Maybe nobody else uses A5's FTP?
              I do use the FTP (mostly for web stats log processing) and can upload and download via FTP, including using ftp_put_file_modal() function in version 8 and updated to current patch a5v9.

              Do you want to post some test code, or give some more details of what status messages (if any) you may see prior to it failing?
              Regards,

              Ira J. Perlow
              Computer Systems Design


              CSDA A5 Products
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              • #8
                Re: FTP problems

                Originally posted by csda1 View Post
                Hi Cal,



                I do use the FTP (mostly for web stats log processing) and can upload and download via FTP, including using ftp_put_file_modal() function in version 8 and updated to current patch a5v9.

                Do you want to post some test code, or give some more details of what status messages (if any) you may see prior to it failing?
                Cal

                I use A5's FTP everyday in automated processes and on demand processes.
                Al Buchholz
                Bookwood Systems, LTD
                Weekly QReportBuilder Webinars Thursday 1 pm CST

                Occam's Razor - KISS
                Normalize till it hurts - De-normalize till it works.
                Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
                When we triage a problem it is much easier to read sample systems than to read a mind.
                "Make it as simple as possible, but not simpler."
                Albert Einstein

                http://www.iadn.com/images/media/iadn_member.png

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                • #9
                  Re: FTP problems

                  Hi

                  probably you have already checked this but are they using a router?
                  The general recommendation is that two firewalls are a bad thing. On my systems I have no software firewall I use the one in my draytek router.

                  May be that although you have turned of the windows firewall a router issue is causing the problems

                  cheers

                  Ian

                  Comment


                  • #10
                    Re: FTP problems

                    Poorly configured firewalls is bad thing.

                    Having a firewall at the edge of the network, at a division of the network and at the local machine is a good thing.
                    Andrew

                    Comment


                    • #11
                      Re: FTP problems

                      Originally posted by Al Buchholz View Post
                      Cal

                      I use A5's FTP everyday in automated processes and on demand processes.
                      So do I and my other customers. It's only a problem with some of them. (either 2 or 3 - not sure anymore) This latest one that just quit working on the same day there was a Windows update seems to make it more likely that there is something in Windows that's doing it.

                      I'll try going direct to the modem if I get a chance in the next few days. I don't have a lot of hope - but it is a computer so one never knows.

                      Comment

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