How to create a wildcard CSR (Certificate Signing Request)

Introduction

This article covers generating a wildcard CSR that will cover a domain and all of its subdomains.

Procedure

1) Log into cPanel or WHM and navigate to the following location.

cPanel:
Home > Security > SSL/TLS > Generate, view, or delete SSL certificate signing requests

WHM:
Home > SSL/TLS > Generate an SSL Certificate and Signing Request

2) In the "Domains" section, add the following lines, replacing example.com with your domain.

*.example.com
example.com

3) Fill out all other required fields appropriately and click the Generate/Create button.

Once done, the resulting CSR can be provided to a Certificate Authority. After they have issued the SSL, it can be installed in the following locations of cPanel and WHM.

cPanel:
Home > Security > SSL/TLS > Manage SSL sites

WHM:
Home > SSL/TLS > Install an SSL Certificate on a Domain