CA Certificates
The CA Certificates tab allows you to administer certificates provided by a Certificate Authority (CA), such as Thawte or VeriSign.
Figure. Certificates management: CA Certificates tab.
Note: If you have a 3rd party certificate, this process will not work if it requires an intermediate certificate. Then you have to merge the private key with certificate you bought and intermediate certificate of the issuer manually. Refer to support resources of your certificate issuer for details.
For general information, refer to Certificates.