Greg Terterian wrote:
> Yes, both ports are open on both ends.  Like I said, we have customers
> logging to our site and we log on to their site.  My customer can do the  same from
> his end to everyone, but me :(

For an easy fix, it might be that you need passive (PASV), which makes connections in the same direction all the time (client to server).

Active FTP goes:
  client -> server (ephemeral -> tcp/21 command)
  client <- server (ephemeral <- tcp/20 PORT data channel setup)

PASV goes:
  client -> server (ephemeral -> tcp/21 command)
  client -> server (ephemeral -> ephemeral)

(ephemeral = any port > 1023)

From that you can get the firewall openings necessary for the two modes and roles.

If you have 20/21 open on both ends, active should work.
Passive requires 21 and everything > 1023 open on the server end*.

Jeff

* - can restrict the ports offered in some ftp server implementations, but not the 3000's, unless James sneaked that ability in while I wasn't looking.

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