How To Disconnect users from FTP session
If you suspect malicious activity from a user, or if the user is idle, you can disconnect their FTP session.
To disconnect a user from an FTP session, perform the following steps:
1 – Open cPanel (yourdomain/cpanel).
2 – Click on (FTP Connections) from Files section.
3 – Click Disconnect next to the FTP session that you wish to disconnect.
4 – To verify that the server disconnected the session, click Reload.