2379/tcp: Kubernetes etcd server client API (on master nodes in multi-master deployments)
2380/tcp: Kubernetes etcd server client API (on master nodes in multi-master deployments)
6443/tcp: Kubernetes API server (master nodes)
8090/tcp: Platform Agent (master and worker nodes)
8091/tcp: Platform API Server (operator node)
8472/udp: Flannel overlay network, VxLAN backend (master and worker nodes)
10250/tcp: Kubernetes kubelet API server (master and worker nodes)
10251/tcp: Kubernetes kube-scheduler (on master nodes in multi-master deployments)
10252/tcp: Kubernetes kube-controller-manager (on master nodes in multi-master deployments)
10255/tcp: Kubernetes kubelet API server for read-only access with no authentication (master and worker nodes)