After purchasing an Anti-DDoS Pro instance, you have to enable the instance before you set up website or non-website protection for your business.
To enable the Anti-DDoS Pro instance, follow these steps:
Log on to the Alibaba Cloud Security console, and then select Anti-DDoS Service under Security.
Select Anti-DDoS Pro, and click Instance List.
Select the region, and then locate the Anti-DDoS Pro instance you want to enable.
Click Enable immediately.
Select the line, and then click Enable now.
After the Anti-DDoS Pro instance is enabled, you can now set up website or non-website protection for your business with the Anti-DDoS Pro instance.