I'm trying to get Microsoft Server 2016's IIS 10 to run FTPS. I have it working internally (need to change the External IP Address of Firewall to match internal IP (for LAN) and external IP (for WAN), but it works.)
When I try to connect using FileZilla from outside the LAN, I receive a "Failed to retrieve directory listing" I have ports 989/990 TCP, and 5000-5005 forwarding to the server using my Verizon FiOS NAT router.
I also have Windows Firewall set to accept in/out bound 5000-5005 (wasn't sure if it was needed), and to allow 989/990 in. I'm also attempting to use my MacBook Pro from outside my LAN. Using Finder, it prompts me for credentials (which wouldn't happen if it was completely rejected.) It tries to enter passive mode (11,22,33,44,237,36) which I think means on port 60708?