Kubernetes Network
https://kubernetes.io/docs/concepts/cluster-administration/networking/#the-kubernetes-network-model
방화벽 규칙
DNS
<service>.<namespace>.<svc>
<pod>.<namespace>.<pod>
▒ kubectl apply -f https://k8s.io/examples/admin/dns/dnsutils.yaml
▒ kubectl exec -it -n default dnsutils -- nslookup kubernetes.default
Network-CNI
▒ kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml
posted at 2022/03/18 09:42