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Cannot connect to FTP storage with FileZilla 3.10 using the Encryption setting "Use explicit FTP over TLS if available". The connection fails by timeout.
CONFIG_TEXT: Error: The data connection could not be established: ETIMEDOUT - Connection attempt timed out
Error: Connection timed out
Error: Failed to retrieve directory listing
Starting with 3.10.0, FileZilla uses FTP over TLS by default. According to FileZilla release notes:
CONFIG_TEXT: FTP over TLS is now used by default if the server supports it. Use of plain FTP can be enforced for a server in the Site Manager.
Connection fails if FTP over TLS is not accepted by the server. Or server is not properly configured for FTP over TLS.
Make sure that server supports FTP over TLS and that it is properly configured if the server is behind NAT. More information in the documentation.
In the connection settings of FileZilla (File > Site Manager > Site_Name > Encryption) choose the appropriate mode the FTP server is working in.
Additionally, disable antivirus/firewall protection on your computer and try again.