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Unable to connect to FTP with FileZilla: GnuTLS error -110: The TLS connection was non-properly terminated

Mikhail Shport

Updated January 27, 2021 15:51

Plesk for Linux kb: technical ABT: Group B

Applicable to:

Plesk for Linux

Symptoms

Unable to connect to a Plesk server via FTP using FileZilla:

PLESK_INFO: Error: GnuTLS error -110: The TLS connection was non-properly terminated.
Status: Server did not properly shut down TLS connection

PLESK_INFO: Error: GnuTLS error -15: An unexpected TLS packet was received.

Cause

SSL certificate/the passive ports range is not configured on the Plesk server.

Resolution

Check that an SSL certificate for securing Plesk is set properly:

How to secure a Plesk hostname on port 8443 with an SSL certificate (Let's Encrypt / other certificate authorities)
Configure passive ports on the server:

How to configure passive ports range for ProFTPd on a server behind a firewall?

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