This topic provides answers to some frequently asked questions about Hybrid Cloud WAF.

How do I maintain my on-premises servers that are added to a cluster for Hybrid Cloud WAF as cluster nodes?

Alibaba Cloud WAF maintains the WAF agent vagent on your on-premises servers. Alibaba Cloud WAF monitors the node status and implements security control on the ports that the agent automatically enables for your on-premises servers. The ports are 80, 8080, 443, and 8443.

The on-premises servers belong to your enterprise. Therefore, your enterprise is responsible for the O&M and security of the servers.
Notice If you enable custom ports when you deploy the cluster for Hybrid Cloud WAF, you must ensure the security of the ports. The ports exclude 80, 8080, 443, and 8443.