FTP server on Linux Mint 20 - Can't connect with Filezilla

Hello all

I have a Linux Mint 20 FTP server setup. I am able to connect from a Windows 10 machine using (terminal) command line w/o problems.
However, when using Filezilla (latest version), I cannot.

It gives these messages;

I selected unsecured connection.

Status: Connecting to 192.168.x.x:21...
Status: Connection established, waiting for welcome message...
Status: Insecure server, it does not support FTP over TLS.
Status: Server does not support non-ASCII characters.
Status: Logged in
Status: Retrieving directory listing...
Status: Logged in
Status: Retrieving directory listing...
Command: PWD
Response: 257 "/home/user" is the current directory
Command: TYPE I
Response: 200 Switching to Binary mode.
Command: PASV
Response: 227 Entering Passive Mode (192,168,1,x,x,x).
Command: LIST
Error: Connection timed out after 20 seconds of inactivity
Error: Failed to retrieve directory listing
Status: Disconnected from server

Can you please help?

Thanks
Frank