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Author Topic: FTP download problem  (Read 1869 times)

GHammer

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FTP download problem
« on: August 26, 2004, 10:33:39 am »

For some reason I have been completely unable to install the last few versions.

You probably know these, but ....

Clear your temp files.  IE/Tools/Internet Options/Temporary Internet Files/Delete files.  That's a Windows bug.


Actually, from long (hard) experience with web servers, if you need to cllear the cache, it is a server problem, The server is not telling the browser that the file has changed or is a different size than what exists in the cache.

I'd almost bet the server is WU FTP.

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bob

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Re:FTP download problem
« Reply #1 on: August 26, 2004, 12:00:23 pm »

It is Wu-ftpd however since that is the most common ftp server on the net that's not too much of a suprise.

Anyway, I just checked RFC's and the behavior of the server with respect to the i.e. download logic and I see no problem from the server end:

Here is the sequence of commands that i.e. uses when trying to get the file:

Aug 26 11:04:31 ftp2 wu-ftpd[30089]: connection from 192.146.151.180 [192.146.151.180]
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: VirtualFTP Connect to: ftp.jriver.com [198.73.82.66]
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: USER anonymous
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: PASS IEUser@
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: ANONYMOUS FTP LOGIN FROM 192.146.151.180 [192.146.151.180], IEUser@
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: TYPE Image
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: PASV
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: SIZE /pub/downloads/music/MediaCenter110068.exe
Aug 26 11:04:31 ftp2 wu-ftpd[30089]: RETR /pub/downloads/music/MediaCenter110068.exe

Notice that the only thing i.e. does to check the file is the size command.

Now if I run the size myself on a raw connection I get back the correct size:

SIZE /pub/downloads/music/MediaCenter110068.exe
213 18341332

Now, i.e. COULD do a stat command:
STAT /pub/downloads/music/MediaCenter110068.exe
213-status of /pub/downloads/music/MediaCenter110068.exe:
-rw-r--r--    1 210      18341332 Aug 25 22:11 /pub/downloads/music/MediaCenter110068.exe

To see that the date has changed, but it doesn't.


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Alex B

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Re:FTP download problem
« Reply #2 on: August 26, 2004, 12:09:58 pm »

Another thing is that the files are usually named differently (066, 067, 068 etc), so they should not even be in the cache.

One solution for browser download problems is to use a separate FTP client program.
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