Open the following ports on your Linux hosts.
| Protocol | Port range | Purpose |
|---|---|---|
| tcp | 22 | ssh server |
| tcp | 80 | Rancher Server/ingress |
| tcp | 443 | Rancher Server/ingress |
| tcp | 6443 | kubernetes api server |
| tcp | 2379-2380 | etcd server client api |
| tcp | 10250-10256 | kubernetes components |
| tcp | 30000-32767 | nodeport services |
| udp | 8472 | canal |