FloLa

Thank you for your response. From my point of view, the fact that this setup worked reliably before and the issue only started...

I have just tested it and changed the setting to "Enabled - overrides group policies" as requested, but unfortunately without success...

In the settings under "FTPS (FTP over TLS) authentication", the option "Determined by groups or system policies" is currently selected.

Thank you for your response. Current configuration under Protocol Policies on the FileZilla Server: Minimum allowed TLS version: 1.2...

Additional information: I can reproduce the same issue on Debian 10 and Debian 11, but I do not see it on Debian 12 or Debian 13...

I can confirm the same issue here after updating to Plesk Obsidian 18.0.77 Update 2 on Debian 10. Our remote backups to FileZilla...