This guide is available as a video:

How to enable SSL (https://) across all WHMCS pages

If you have an SSL certificate setup in WHMCS it is recommended to force all WHMCS pages to redirect from http to https. In this tutorial I'll show you just how easy it is to setup.

First you must have your SSL certificate installed, if WHMCS is installed in a sub-directory then install your SSL on and it'll cover any sub-directory. If WHMCS is installed on a sub-domain you'll need to install it for that particular sub-domain.

Next you'll need to set your WHMCS system URL to https:// in WHMCS (setup > general settings):

WHMCS SSL activation
WHMCS SSL setup area.


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