You can enable or disable HTTPS transfers at the Site, User Setting Level, or per user.
To enable HTTPS transfers at the Site level
In EFT Administrator, connect to EFT Server and click the Server tab.
In the left pane, click the Site you want to configure.
In the right pane, click the Connection Options tab.
Select the Allow HTTPS Transfers on port check box. The default port number is 443.
Click Apply to save the changes on EFT Server.