Educause Security Discussion mailing list archives

Re: What "secure" file transfer products do you use on Windows?


From: Matthew Topper <topperm9 () GMAIL COM>
Date: Sun, 22 Feb 2009 20:04:33 -0500

I've used  WinSCP and FileZilla. Both are free. I find myself using
WinSCP a lot more, although that might just be because I'm used to it.

This article mentions a few others, but I've not tried them myself:
http://www.networkworld.com/columnists/2008/042208-dr-internet.html

-Matt

On Mon, 23 Feb 2009 12:48:55 +1300
Russell Fulton <r.fulton () AUCKLAND AC NZ> wrote:

Hi Folk,

So far as I can tell MS recommends webdav as a secure alternative to
FTP for allowing access to files under windows.  We have found that
MS's implementation of webdav does not perform well with large files
across a wide area networks.  It opens lots of  tcp session that are
so short that the window stuff never gets a chance to optimise
resulting in very slow transfer rates.  We were transferring large
MRI images ( multi GB) between our Medical School and US
institutions. Interestingly we collect the MRI same images from
hospitals around the world with a UNIX based server with out issues
but when our users tried to use the webdav direct between two windows
machines the transfers slowed to a trickle.  After hours of peering
at wireshark traces  we decided that it was a TCP window problem
cause my the MS server chopping the file in to tiny pieces and
sending each over a different TCP session.

I am looking for an SSH 2 based system (free preferred ;) or
commercial) that we can recommend to any of our users who need to
transfer files between windows systems.  I know several such systems
exist and I'm hoping someone has already done the leg work of
evaluating them... I'd be happy to have one free one and a
commercial offering to recommend.

Thanks, Russell


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