Cyberduck Help / Howto / FTP

FTP Connect Mode

Choose between an ​active or passive connection per bookmark or when opening a new connection. The default setting can be set in the System Preferences in Network → Advanced... → Proxies → Use Passive FTP Mode (PASV).

Character Encoding

The character encoding used to parse directory listings can be set as a per bookmark setting. See problems?.

TLS Connections (FTPS)

Only ​explicit TLS is supported.

Disable SSL/TLS X.509 certificate trust validation

If you have problems with the Keychain trust settings, you can use the following options to disable verification of certificates. Be aware that this a severely compromising security. This is not a recommended configuration. Before disabling trust verification, try to restart Cyberduck after editing the trust setting.

• Disable certificate validation for FTP-TLS:

defaults write ch.sudo.cyberduck ftp.tls.acceptAnyCertificate true

Server compatibility

ProFTPd

• You need to have the option set TLSOptions NoSessionReuseRequired for FTP-TLS connections. Issue #5087.
• You need to have the option set TLSOptions AllowClientRenegotiations for FTP-TLS connections. Issue #3012.

References

• ​FTPS Wikipedia Article