Fastream Secure FTP Setup

I've had Fastreams FTP server running for years on a server behind a firewall.  I now need to setup a secure FTP host as well.  The port 990 is open.  I created a new ftp to listen to port 990 in the program.  I am able to connect to the new FTP server and authenticate with FileZilla from a remote location.  The problem begins when I try to get a directory listing.  In the FTPS I see:

Response:      227 Entering Passive Mode (10,192,1,23,39,16). --10.192.1.23 being the internal IP address of the server.
Status:      Server sent passive reply with unroutable address. Using server address instead.
Command:      LIST
Response:      150 Opening data connection for folder list.
Error:      Connection timed out
Error:      Failed to retrieve directory listing


When I log into the working FTP I see something like this:

Response:      227 Entering Passive Mode (xx,xx,xx,xx,12,104).-- Where xx.xx.xx.xx is the external IP address
Command:      LIST
Response:      150 Opening data connection for folder list.
Response:      226 File sent ok
Status:      Directory listing successful

Any suggestions?  I am aware the Fastream only supports explicit and I have that selected in FileZilla.

On the firewall log it shows:  the port 990 is connecting fine but then it fails trying to go to port 10000

any ideas?
ekeeAsked:
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ekeeAuthor Commented:
I eventually worked it out myself.  The solution required all of the following - Manual Passive Mode, turned on.  WAN IP selected and entered.  Passive port range set and we had to open the same ports on the WG.  It's a little clunky but it works.
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ekeeAuthor Commented:
It seems like the failure is in the way my network is set up?  Maybe the NAT?
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dpk_walCommented:
If the client uses active mode instead of passive is the problem eliminated; if yes, then we need to set up NAT differently on WG.

Thank you.
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dpk_walCommented:
Thank you for the update.
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