These ports should be open between nodes and the external network for communication and management of Rancher.
Protocol | Port | Description |
---|---|---|
TCP | 22 | SSH for RKE |
TCP | 80 | Ingress controller - redirect to HTTPS |
TCP | 443 | Ingress controller - HTTPS traffic to Rancher |
TCP | 6443 | HTTPS to kube-api, used by kubectl and helm |
In addition to the ports listed above these ports must be open between nodes.
Protocol | Port | Description |
---|---|---|
TCP | 2379-2380 | etcd |
udp | 8472 | Overlay networking |
TCP | 10250 | kubelet |