FTPs (FTP over TLS/SSL)

If the FTP server supports TLS (Transport Layer Security)/SSL (Secure Socket Layer), you can select "FTPES-FTP over explicit TLS/SSL" or "FTPS-FTP over implicit TLS/SSL". FTPS and FTPES encrypts the command and data that transfer over the network.
Note: To use FTPES or FTPS, Business License is necessary.

For details of FTPS and FTPES, please refer to the following Wikipedia documents:
http://en.wikipedia.org/wiki/FTPS

NOTE: If FTPS or FTPES is selected, please start the task manually once after the setup. At the first time when the client connects to the FTP server, the SSL certificate will be sent to the client, the "Verify the certificate" dialog box will pop up, please verify the certificate and press the "Install Certificate..." button to install the certificate to the authorized certificate store, otherwise the communication between the client and server will fail.

The Steps to install the SSL Certificate:

Press "Install Certificate..."

The Certificate Import Wizard appears. Click Next.

Select Place all certificates in the following store, and then click Browse.

Select Trusted Root Certification Authorities. Click OK and then click Next.

The "Completing the Certificate Import Wizard" window appears. Select Finish.

HINT:

If you meet the error message "The certificate's CN name does not match the passed value." or "The SSL certificate name does not match the name provided", means that the server name in the certificate does not match the host name of the FTP server. May be you need to modify the host name of your FTP server to match the SSL certificate, or you need to apply a new certificate that has the host name of the FTP server. To view the detailed information of the certificate, you can run "mmc certmgr.msc" in the command line to start the certificate manager. Or you can try to delete the certificate in the manager, and let BestSync to install the certificate again. To resolve this issue, you can also add the following registry key by the RegEdit.exe:

HKEY_LOCAL_MACHINE\SOFTWARE\RiseFly\BestSync
ForceSSLValid=(DWORD) 1

This registry key enforces BestSync to accept the SSL certificate from the FTP server.

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