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docs : https://kubernetes.io/docs/concepts/services-networking/network-policies/
Network Policies
If you want to control traffic flow at the IP address or port level (OSI layer 3 or 4), NetworkPolicies allow you to specify rules for traffic flow within your cluster, and also between Pods and the outside world. Your cluster must use a network plugin tha
kubernetes.io
#k run curl --image=alpine/curl --rm -it --sh
#networkpolicy.yaml
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
name: ingress-to-nptest
namespace: default
spec:
podSelector:
matchLabels:
run: np-test-1
policyTypes:
- Ingress
ingress:
ports:
- protocol: TCP
port: 80
k apply -f networkpolicy.yaml728x90
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