Strange FTP error

Technical support for APBackUp users
zevez
Posts: 3
Joined: 10 May 2009, 00:02

Strange FTP error

Postby zevez » 10 May 2009, 00:07

Hi, I have a save2FTP command set up, and it seemed to be taking forever at 0%, so I aborted and saw this error:

5.9.2009 5:01:01 PM:[1001][E] Unable to copy file to FTP: "XXXXXXX [this was the correct host]" [Çàäàíèå ïðåðâàíî ïîëüçîâàòåëåì]

The connection was established just fine, but there was an error after that. Any ideas?

Thanks,
Zev

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Postby support » 13 May 2009, 09:27

Try to use passive mode.

zevez
Posts: 3
Joined: 10 May 2009, 00:02

Postby zevez » 13 May 2009, 15:38

Passive mode was enabled. What was strange is that those odd characters were displayed; in other words, it looked like a buffer overflow on the error string.

Any ideas?

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Postby support » 13 May 2009, 23:09

Hello

It seems like firewall problem. After connect APBackup tries to open data port and I think it didn't recieved response from server as data channel is blocked by firewall (on client side or server).

When you press "Abort" the task is interruped and here is a localization bug "Çàäàíèå ïðåðâàíî ïîëüçîâàòåëåì" (from russian translation)= "Aborted by user". So here is no stack/buffer overflow.

Here is a good explanation of firewall problem for FTP protocol:

http://www.mdjnet.dk/ftp.html
http://www.ncftp.com/ncftpd/doc/misc/ft ... walls.html
http://www.slacksite.com/ftp.html

zevez
Posts: 3
Joined: 10 May 2009, 00:02

Postby zevez » 13 May 2009, 23:53

Ahhhh, it's Russian, I had no idea. That makes things much clearer. I think you must be right then, a firewall issue. Thanks very much.

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Postby support » 14 May 2009, 05:27

Also please download and install the latest build of APBackup 3.5.5402. There was a bug and in some cases APBackup transfered files to FTP in ASCII mode.

http://avpsoft.com/products/apbackup/download/


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