When connecting for the first time to DISKOS FTP over FTPS using Filezilla, the user is presented with a warning that the certificate is unknown.  This is normal Filezilla behaviour and the user may safely accept the certificate. The warning will not display again unless the certificate is updated or the filezilla cache is cleared.


The behaviour is described in the following Filezilla forum thread:



 https://forum.filezilla-project.org/viewtopic.php?t=25595