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FTP woes

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    #11
    If someone else can use it from their PC it's a start - are they behind the same firewall?. They can PUT and GET files right? They are trying to transfer the same files as you are?
    If it is a firewall issue it will be at your end (assuming the above is correct). I would expect that to mean that you coudn't transfer to/from any FTP site though.
    Having said all that, I have encountered situations where traffic (i.e. your request) is allowed out but the response is not allowed in - whch could tie in with what JoJoGabor was saying.
    Suggest you try from your home PC and see how far you get.
    +50 Xeno Geek Points
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      #12
      Are you with Virgin? A friend had a similar problem as this and we worked out eventually that it was his ISP filtering traffic on port 21 as it was a security risk. If you can't connect to any FTP services then I would look to your ISP for an answer. If people on other service providers can connect to the same FTP service then it shows that the FTP service is working and that it is a problem with you somewhere.
      Last edited by ferret; 7 October 2009, 19:20. Reason: typo
      my ferret is your ferret

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        #13
        Originally posted by Zippy View Post
        If someone else can use it from their PC it's a start - are they behind the same firewall?. They can PUT and GET files right? They are trying to transfer the same files as you are?
        If it is a firewall issue it will be at your end (assuming the above is correct). I would expect that to mean that you coudn't transfer to/from any FTP site though.
        Having said all that, I have encountered situations where traffic (i.e. your request) is allowed out but the response is not allowed in - whch could tie in with what JoJoGabor was saying.
        Suggest you try from your home PC and see how far you get.
        If someone can PUT the same file from another PC, using the same account, then this would rule out space, permission and lockout permissions for me. If both PCs are behind the same firewall then that would rule out firewall for me also, although you could try telnetting to port 21 (that's FTP right - sorry, rusty on this) and if you get a banner then connection is ok.

        You could try running a packet sniffer such as wireshark. That would help you track down connection problems. You need to have an understanding of the three step TCPIP handshake process, but a quick wikipedia should sort that.

        SYN
        SYN-ACK
        ACK

        That's about all I can add. Good luck.

        etc etc
        Knock first as I might be balancing my chakras.

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          #14
          Easy one...run wireshark ( www.wireshark.org )while you are trying to connect and see which end the reset is coming from.

          Once you have this vital bit of info, you will know if its your end, the other end or the ISP.

          My bet is on you either not having sufficient permissions or out of disk space based on what you have said in the OP.


          PZZ

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            #15
            Originally posted by pzz76077 View Post
            Easy one...run wireshark ( www.wireshark.org )while you are trying to connect and see which end the reset is coming from.

            Once you have this vital bit of info, you will know if its your end, the other end or the ISP.

            My bet is on you either not having sufficient permissions or out of disk space based on what you have said in the OP.


            PZZ
            Or you could try running wireshark?

            HTH
            Knock first as I might be balancing my chakras.

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              #16
              Please post back when you have fixed it and tell us what the problem was.
              +50 Xeno Geek Points
              Come back Toolpusher, scotspine, Voodooflux. Pogle
              As for the rest of you - DILLIGAF

              Purveyor of fine quality smut since 2005

              CUK Olympic University Challenge Champions 2010/2012

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                #17
                I have different symptoms, in various programs including server-based like eBay's image uploader, files appear to upload ok but are incomplete. Using Explorer is ok for some reason. So can certainly be a PC problem but no idea on solution.
                bloggoth

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                  #18
                  Originally posted by xoggoth View Post
                  I have different symptoms, in various programs including server-based like eBay's image uploader, files appear to upload ok but are incomplete. Using Explorer is ok for some reason. So can certainly be a PC problem but no idea on solution.
                  Explorer will probably use anonymous FTP, but if you can post a wireshark fragment I can tell you what the problem is.


                  PZZ

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                    #19
                    Originally posted by xoggoth View Post
                    I have different symptoms, in various programs including server-based like eBay's image uploader, files appear to upload ok but are incomplete. Using Explorer is ok for some reason. So can certainly be a PC problem but no idea on solution.
                    When I moved to my present ISP they gave me 100MB space so I thought "Why not use it?". FTP on the Mac wanted to go into some "Super FTP" mode, which the other end didn't want to know about, so I used a non-Mac system instead.

                    Tricky stuff and you really don't want to get into the RFCs here.

                    Is sftp an option?
                    Behold the warranty -- the bold print giveth and the fine print taketh away.

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                      #20
                      Originally posted by Sysman View Post
                      When I moved to my present ISP they gave me 100MB space so I thought "Why not use it?". FTP on the Mac wanted to go into some "Super FTP" mode, which the other end didn't want to know about, so I used a non-Mac system instead.

                      Tricky stuff and you really don't want to get into the RFCs here.

                      Is sftp an option?
                      Buh, RFC959 is one of my favorites of all time....


                      PZZ

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