開啟防火牆如何部署k8s

你可以不關閉防火牆，只需要開啟這些端口就行了
MASTER節點
6443* Kubernetes API server
2379-2380 etcd server client API
10250 Kubelet API
10251 kube-scheduler
10252 kube-controller-manager
10255 Read-only Kubelet API (Heapster)

Worker節點

10250 Kubelet API
10255 Read-only Kubelet API (Heapster)
30000-32767 Default port range for NodePort Services. Typically, these ports would need to be exposed to external load-balancers, or other external consumers of the application itself.