| protocol | direction | port range | purpose |
|---|---|---|---|
| tcp | inbound | 22 | ssh server |
| 80 | ? | ||
| 443 | ? | ||
| 6443 | kubernetes api server | ||
| 2379-2380 | etcd server client api | ||
| 10250 | kubelet api | ||
| 10251 | scheduler | ||
| 10252 | controller | ||
| 10256 | kubeproxy | ||
| udp | 8472 | canal |
| protocol | direction | port range | purpose |
| tcp | inbound | 22 | ssh server |
| 80 | ? | ||
| 443 | ? | ||
| 10250 | kubelet api | ||
| 10256 | kubeproxy | ||
| 30000-32767 | nodeport services | ||
| udp | 8472 | canal |