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.