I just installed a dedi. I got a self signed certificate to maindomain.com

Then I want to access childdomain.com/cpanel

The certificate is for the main domain on the server. I tried to access cPanel on another domain under that main domain.

So of course internet explorer complained. Well, how can my main domain issue a certificate for the child domain?

  • Does your self signed certificate not generate a browser warning?
    – MrWhite
    Dec 21, 2012 at 12:14

1 Answer 1


You can only apply one domain per certificate.

If you're looking to make a self-signed certificate, this site will help you out: http://www.selfsignedcertificate.com/

  • And how do I do so? How do I generate another certificate for this new domain?
    – user4951
    Dec 21, 2012 at 5:34
  • The same way you generated the first one. Each domain you want a certificate for will need a unique IP address.
    – Kenzo
    Dec 21, 2012 at 7:41
  • I do not generate the first one it's already there.
    – user4951
    Dec 21, 2012 at 8:15
  • You have to get a certificate issued by a certificate authority. Your hosting provider should have information on this.
    – Kenzo
    Dec 21, 2012 at 9:47
  • I don't need others to trust the certificate. I trust it. It's my site.
    – user4951
    Dec 21, 2012 at 14:18

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