Hello, From ISPConfig version 3.2, it's possible to request a Let's Encrypt certificate for the panel (port 8080) and other services (Postfix,...
Are you logged in as an admin ? (username: admin) I'm only using ISPConfig version 3.1.x and 3.2.x but it should be similar. Which version are...
If you checked SSL + Let's Encrypt SSL... [IMG] You should see this [IMG]
Under Web Domain > Redirect, at the very end you should have a checkbox "Rewrite HTTP to HTTPS"
Separate names with a comma.