FTP connections unable to get directory listing in IIS 6

IIS 6 Windows 2003 Standard Server.  IIS installed okay.  Web server running nicely.  FTP seems to be configured okay, but when I connect with a client I cannot get the directory listing for the home directory (non-isolated) as configured in the FTP site setup.  Connection times out.  Same result when using the administrator account.  It sits there trying to get the directory listing and eventually times out.

I have checked that the permissions on the directory allow full control for the administrator, and that administrator can "log on locally".  I was getting this entry in the event viewer yesterday but none today although the problem persists:

User administrator failed to log on, could not access the home directory /.

Here is the log of the client connection.

Please help me.

~ Connecting...
~ Connected to 10.0.0.11, waiting for response...
< 220 Microsoft FTP Service
> USER administrator
< 331 Password required for administrator.
> PASS *****
< 230 User administrator logged in.
> REST 1
< 350 Restarting at 1.
> REST 0
< 350 Restarting at 0.
> SYST
< 215 Windows_NT
> PWD
< 257 "/" is current directory.
~ Login completed.
> PORT 10,11,12,54,12,193
< 200 PORT command successful.
> TYPE A
< 200 Type set to A.
> LIST
< 150 Opening ASCII mode data connection for /bin/ls.
! Socket Error: operation timed out or aborted
~ Could not retrieve directory listing for "/"
~ Disconnected
chronolithAsked:
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Dave_DietzConnect With a Mentor Commented:
Des the behavior happen if you do this from the server itself?

This looks like an Active/Passive issue. Is there a firewall or NAT device between the server and the client?

In the transaction above the FTP server will try to connect to the client on port 3253.  If this port is blocked by a firewall you will have problems (the port is dynamic and will change for each connection).

Dave Dietz
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