In FASTPANEL® you can work with SSL certificates: install an existing one, create a Self-signed Certificate or to create a Certificate Signing Request.
How to install Let’s Encrypt free SSL certificates
Open a card of a site you want to install an SSL certificate to. Go to “Certificates” and click “New certificate” in the top right corner of the screen. In the opened modal window select “Let’s Encrypt” in the “Type” drop-down menu and enter your Email address in the corresponding field and click “Save” button. Your email address will be used to inform you about the certificate status.
NB: Let’s Encrypt certificate can only be issued for a registered domain forwarded to the IP address of your server
It is important to note that http → https redirect is turned off by default. To turn redirect on, go to “Settings” of your site card.