How to configure a passive FTP port range in Plesk for Windows?
The passive FTP ports configuration can be done either in Plesk interface or directly on the server.
Note: Allow inbound connections for the passive FTP port range on the firewall.
If Plesk is installed on a public cloud service, follow the instructions: for Amazon EC2, for Amazon Lightsail, for Google Cloud, for Microsoft Azure, for Alibaba Cloud.
Go to Tools & Settings > FTP Settings and specify the passive FTP port range:
The default value is 49152-65535.
Click OK or Apply to save the changes.