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Hello friend!
At this time cPanel issues free SSL certificates for WHM/cPanel, but you need to use the server hostname rather than the IP in browser, as SSL certificates are signed only for names and not IP addresses. I highly recommend their installation guide, as the cPanel team has heavily documented it:
https://documentation.cpanel.net/display/72Docs/Installation+Guide
Kind Regards, Jarland
Hello, MkDroplet
As per @jarland reply you can use a hostname in order to access cPanel/WHM securely via https.
As for the domain names hosted on the droplet you can install the Let’s Encrypt tool in order to issue and install SSLs.
Installation
To install the plugin, perform the following steps:
Log in to the server as the root user.
Run the following command:
/usr/local/cpanel/scripts/install_lets_encrypt_autossl_provider
Log in to WHM and navigate to the Manage AutoSSL interface (WHM -> Home -> SSL/TLS -> Manage AutoSSL)
In the Providers tab, select the Let’s Encrypt™ option. The interface will display the Terms of Service section.
Review Let’s Encrypt’s terms of service. If you agree, select the I agree to these terms of service option.
Click Save.
You can also check the official cPanel docs: https://docs.cpanel.net/knowledge-base/third-party/the-lets-encrypt-plugin/86/
Hope that this helps! Regards, Alex