Hi -

I've written a script to retrieve files from a directory on an FTP
server.  It is designed to periodically check the FTP server for new
files, download them and delete them.  It works fine on my NT system(s) at
home and at a friend's house, and in the office.

However - here's the kicker, it won't work on the system it needs to run
on - another NT box, co-located at our ISP's location.  Since the box is
"ours" we've installed REBOL on it, and it runs local apps, and apps to
fetch HTTP pages fine.  However, when running this script that uses FTP,
we get a "500 Port Error" message.

I turned trace/net on - and I can see that it's connecting to the remote
FTP server, and logging in.  However, as soon as it attempts to retrieve
the file listing, it errors out.

Is there a port on a firewall at our ISP that we need to have them open
for us?

Thanks,
Porter Woodward

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