(For FTP settings, please refer to the Related Article.)
More tips:
Try passive mode with both on and off.
Try with Use Firewall on.
Try with path/directory: /public_html/
If you want to connect to your home directory on a shared server, or your root directory on a VPS or dedicated server, then you can use these tips.
Try with path/directory: /
Try connecting with Secure FTP.