Nope.
It'll just install the ssl-httpd host for whichever domain/fqdn you've set the certificate up for:
https://secure.blah.com or
https://blah.com, whichever FQDN you've chosen of course.
This assumes that you're hosting the site already, in which case, you don't need to do anything at the registrar.
Here's the motions you need to do:
#1 Setup the account you want to use SSL on, if you haven't already. Let's say we're going to use a subdomain secure.blah.com
#2 Generate the certificate signing request for secure.blah.com ( backup the private key which is mailed out to you from your server, too )
#3 Sign up for your certificate. Once you've got it, follow these very few simple steps to install.
- clicky on install ssl certificate / setup host
- slap the ssl certificate you've just recieved in there
- click go
- badabing -
https://secure.blah.com is now setup on that IP address.
More Detailed install instructions:
http://www.freessl.com/resources/install/chainedssl/cpanel.htm