Step 1: Log in to cPanel
Navigate to:
Security → SSL/TLS
Step 2: Click “Certificate Signing Requests (CSR)”
Step 3: Fill out the form like this:
-
Domain:
*.yourdomain.com -
City/Locality:
Your city (e.g., Lagos) -
State:
Your state (e.g., Lagos) -
Country:
NG -
Company:
Your company name -
Email:
Admin or technical email -
Key Size:
2048 or 4096 bits (recommended: 2048) -
Passphrase:
(Optional — most CAs don’t require it)
Step 4: Click “Generate”
You will receive:
-
Private key
-
CSR
Download both and submit the CSR to your SSL provider.
Generate Wildcard CSR from Linux / SSH (if no cPanel)
Run:
When it asks for Common Name, enter:
*.yourdomain.com
You will get:
-
wildcard.key– private key -
wildcard.csr– CSR for SSL installation