Last updated：2021-07-30 11:39:24
If you have configured a strict whitelist when using the KAD service, some back-to-origin traffic may be blocked. To avoid this problem, we recommend that you add the CIDR blocks of KAD to your whitelist.
After you connect a website to a KAD instance, all access requests to or from this website will be forwarded to the KAD instance and the traffic will be scrubbed before it can be redirected to the origin server. The process of forwarding traffic to the origin server through the KAD instance is referred to as back-to-origin.
Note: Perform the following steps if your origin server is deployed on Kingsoft Cloud.
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