Question
How to enable secure FTP (FTPS) connections in Plesk for Linux?
Answer
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Go to Tools & Settings > Security Policy and select one of the following options under Secure FTP:
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Allow both secure FTPS and non-secure FTP connections will accept both FTP and FTPS connections.
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Allow only secure FTPS connections will force FTPS connections.
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Enabling FTPS via a command-line interface
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Connect to the Plesk server via SSH.
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Set FTP to be FTPS only using the plesk bin server_pref utility:
# plesk bin server_pref -u -ftp-over-ssl required
Available options:
required- Allow only secure FTPS connectionsdisabled- Allow only non-secure FTP connections. Do not use FTPSenabled- Allow both secure FTPS and non-secure FTP connections
Additional Information
By default, Plesk FTP server supports explicit FTPS only. To turn on implicit FTPS, follow these instructions: