Using (Secure FTP) SFTP in Plesk

Secure FTP is more secure than FTP since it uses the SSH protocol. Shell access must be enabled for each Plesk user for each account.

In the setup page select /bin/bash(chrooted) under the Shell access to server with FTP user’s credentials. This user will now be able to login over SFTP. Remember to change the port in your FTP client. If you are sure you don’t want users to login over standard FTP you can also block this port via the Firewall module in Plesk

The following rules would apply:

Deny incoming from all on ports 21/tcp, 21/udp

You can further secure your FTP server if you have a static IP by allowing access only from that IP. If the static IP is 10.1.1.2 your rules would be:

Allow incoming from 10.1.1.2
Deny incoming from all others