Syncronization of network drives

My Cloud OS 3 Personal & Network Attached Storage My Cloud
6

You could use third party sync programs like Free File Sync (http://www.freefilesync.org/) and access the remote My Cloud using FTP or unofficially SFTP to synchronize to a remote My Cloud if the WD Sync program won’t access a mapped drive. However FTP is insecure.

http://support.wdc.com/knowledgebase/answer.aspx?ID=2680

https://community.wd.com/t/sftp-setup/95350/4