This topic describes how to use a certificate from Alibaba Cloud SSL Certificates Service when you specify a certificate for Classic Load Balancer (CLB) instances. To provide reliable HTTPS services, Alibaba Cloud SSL Certificates Service offers digital certificates that are issued by different authorities. This prevents eavesdropping, tampering, and man-in-the-middle (MITM) attacks. You can use Alibaba Cloud SSL Certificates Service to manage the lifecycle of different certificates and efficiently deploy certificates.


To use a certificate from SSL Certificates Service, you must log on to the SSL Certificates Service console. Then, you can purchase a certificate or upload a certificate issued by a third party to SSL Certificates Service.

Background information

For more information, see SSL Certificates Service.


  1. Log on to the CLB console.
  2. In the left-side navigation pane, choose CLB (Formerly Known as SLB) > Certificates.
  3. On the Certificates page, click Create Certificate.
  4. In the Create Certificate panel, select Alibaba Cloud Certificates, select the region where the certificate is deployed, and select the resource group to which the certificate belongs. Then, select the certificate from the Certificates drop-down list.
    Certificates cannot be deployed across regions. If you want to deploy a certificate across regions, you must specify the regions where you want to deploy the certificate.
  5. Click Create.