curl extension downloads 1 byte only from zip files

I have set up a system to download datafeeds in pain text or zipped.
The download part of this system uses the curl extension to download
the files.

All was well when I tested it with various datafeeds in zipped and
unzipped formats until I came to download zipped files from the
affiliate program we are starting with.

I have verified that the datafeeds download properly in Internet
Explorer but interestingly they also fail in Firefox.

Plain text files will download correctly from the same server with the
curl script.

Using curl to download a file results in a 1 byte file. Downloading
with Firefox produces a 4kb corrupted zip file. I have tried multiple
files all with the same result.

A php script appears to be being used to create the zips on the fly?
could this be the cause of the problem?

Any thoughts on this one are much appricated

-Ben
Received on Mon Oct 24 02:08:42 2005