Encountering Popup of “Unknown certificate” while connecting to the server through FTP client in Plesk Hosting

To enhance the security, we’ve configured FTP over SSL and removed plain text authentication in our Windows Server 2016 Shared hosting. So, if you are connecting first time through FTP, it will ask you to allow certificate like below.

certificate popup

Check the option “Always trust certificate in future sessions” and click on OK button. This will encrypt all your FTP connections.


  • 0 Users Found This Useful

Was this answer helpful?

Related Articles

Do you allow email forwarding on shared hosting accounts?

We don't allow forwarding of emails to GMail, AOL, Yahoo, Comcast, ATT (and all their other...

Which email server do you offer in Windows Hosting?

Windows Shared Plans In Windows Shared Hosting, we provide SmarterMail Enterprise Edition as...

Do you have any limits for setting up Cron jobs or schedule tasks?

Windows Shared Hosting Plans:We do not offer cron jobs in Windows shared hosting plans. Linux...

How much experience do you have with .Net Application Hosting?

Our most staff members are Computer Graduates or Masters in computers. Most of them have 5+ years...

Can I install an .exe that can serve as a Chat server on Shared server?

No! We do not allow installing any exe files on our Shared servers. If installing exe file is...