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August 20, 2006

FTP not working from home. Help!

My upload tools, Mozilla 1.7x and WS_FTP, break off my uploads when I upload files from my home Windows XP box. Other computers, a Dell laptop and a SUSE Linux box, both inside the same router as the Windows box, upload files successfully.

The Mozilla 1.7x interface is barebones, but WS_FTP does some weird stuff. The uploads will purport to start very fast, like 3000 kb/s. The speed then dwindles very quickly. The progress bar very quickly goes to 100% complete but then the status line reads "Timeout, no new data for 900 seconds", after, like, 1.5 seconds, and then the status bar counts down my 5 second retry time and trys again, asking if I'd like to overwrite the file I just supposedly transferred, but don't see in the remote window. If I select overwrite or resume, it will go through this inane process again and again, and again. If I say skip, then it will show me the partial file that was uploaded, which is usually about 350 KB. Sometimes its 570 KB, sometimes, if I try a really small HTML file, like 19 KB, it will be 19 KB, but even then the file won't run, it's partial.

All this only happens on this one Windows XP SP2 machine. This has gone on for three days now. The host server is up and I have uploaded to it with other computers and with other computers inside my home router. The browsers on the Windows box work. I can upload attachments into Gmail. I can upload with the Flickr Uploader. Interestingly, while the Flickr Uploadr takes the usual amount of time to actually post a new photo to Flickr, its progress bar also goes very quickly, very much like WS_FTP's. I have searched this board and Google for various things and tried some of them. I checked that my McAfee firewall is giving full access to all the programs. I've restarted the computer. The Windows Internet Options is set to allow passive FTP. The clock is synchronized to NIST. I reset the Windows firewall to default settings and turned it back off. I turned off the McAfee firewall at the same time. I turned off the router's firewall. None of these usually cause any interference. After all this, with all firewalls down, the upload programs still exhibit the same broken upload behavior.

WinSCP successfully transfers files from the Windows box to the Linux box, both inside the router.

Here's a relevant log excerpt:
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200 TYPE is now 8-bit binary

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.171] PASV

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.265] 227 Entering Passive Mode (Server IP address omitted)

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.265] connecting data channel to ***Server data channel omitted***

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.281] data channel connected to ***Server data channel omitted***

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.281] STOR Eye1.wma

[7,8/20/2006 9:56:51 PM,0][2006.08.20 21:56:51.437] 150 Accepted data connection

[7,8/20/2006 9:56:51 PM,1][2006.08.20 21:56:51.437] Send Buffer size: 65535

[7,8/20/2006 9:56:57 PM,0][2006.08.20 21:56:57.359] 421 Timeout (no new data for 900 seconds)

[7,8/20/2006 9:56:57 PM,0][2006.08.20 21:56:57.359] # transferred 7842288 bytes in 5.922 seconds, 10346.026 Kbps ( 1293.253 Kbps), transfer failed.
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Any suggestions?

Posted by Niels Olson at August 20, 2006 10:10 PM

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