asterisk users - Nov 2006 - Polycom provisioning and Pure-FTP : problems

I`m trying to provision my Polycom 501s using Pure-FTP.  Everything has been
working fine, until I put a new bootlog.ld file.  Sniffing the packets
between my phone and the FTP server during transfer, I noticed that the file
is not 100% sent (it seems to send about a third of it, and then the phone
wisely detects it as being corrupted and reboots).  
 
I have suceeded in using other FTP clients to download the bootrom.ld file
(with the same credentials, on the same LAN) and I suceeded in downloading
and installing the bootrom.ld from another test FTP server (War-FTP running
on Windows XP, not a permanent solution).  
 
I still have many more phones to go, and I`d like this issue fixed so that
it doesnt get me by surprise next time I need it to work and the phones are
deployed in the field.
 
So the problem is the combination of Pure-FTP and Polycom...Pure FTP is the
latest version, Polycom bootrom is 3.2.1 (trying to upgrade to 3.2.2)
 
I also noticed that there is an FTP error message: "Response: 450 Error
during write to data session".
 
ANY help is appreciated, or just a nice encouragement message from somebody
using Pure-FTP with Polycoms, so I know I am not wasting my time.
 
PS: If there is a better FTP server suggestion Ill take it, but one of my
"must-haves" is easy of use and virtual users functionality (with
different
chroot folders).
 
Mike
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Mike wrote:
> PS: If there is a better FTP server suggestion Ill take it, but one of 
> my "must-haves" is easy of use and virtual users functionality
(with
> different chroot folders).
I don't know whether it supports the specific functionality you require, 
but we have always uses vsftpd with no problems.

Best regards
David Cook