Last updated：2020-06-01 15:42:38
Before adding domain names to WAF instances, complete the following tasks:
Each domain package supports up to 10 domain names, including only one top-level domain name. Wildcard domain names are supported.
To add domain names to a WAF instance:
Log in to the WAF console.
Select the target WAF instance on the list.
On the lower part of the page, click Add Domain Name.
Configure the following parameters:
Domain Name: Enter the domain name of the website you want to protect
Protocol: Select the supported protocols, including HTTP and HTTPS. For the HTTPS protocol, select a security certificate for it.
Redirect Mode：Options are Polling and Minimum Connection Number Algorithm.
Back-to-Source Settings: Add back-to-source IP addresses.
Health Check: Enable or disable health check for WAF back-to-source. The function is enabled by default.
If there is only one origin server, you can disable the function and make sure the request for back-to-source health check is accessible. Otherwise, WAF back-to-source might fail.
Repeat the previous steps to add more domain names.
Click the instance to view the service status of domain names.
If the service status is abnormal, check the back-to-source and CNAME configuration for the domain name. For more information, see Step 3: Check validity of the existing DNS configuration and Step 4: Modify DNS records.
To edit the configuration of a domain name:
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