On the Compression page, you can set different compression levels for backup and you can also configure the compression and encryption settings. This page can be accessed if you go to Backup Properties -> Compression.
FTP backup is supported by Backup4all. You can backup your data to a remote computer or device using FTP (File Transfer Protocol) connection. This is a practical remote backup destination as it allows you to store important files offsite. It can be considered as an additional protection against data loss as the result of hardware failure or other disasters.
This article shows you how to backup to FTP destination using proxy server. The proxy server acts as an intermediary between a computer and the Internet. It is associated with a gateway server and a firewall.
This article shows you how to create a backup to FTP destination using SSL encryption. When you connect through FTP to a remote computer you send the username and password in clear, unencrypted text. Anyone along the route can access what you are sending, including your username and password, if the data is not encrypted.