Hey it's been a while trying to block traffic from other namespaces and only access pods in same namespace, I looked over many threads but none work! What I tried so far is: I created a globalnetworkpolicy using calico to…
I am confused about some elementary network concept in k8s and can someone kindly explain this to me please? thank you! as described by https://github.com/bmuschko/ckad-crash-course/blob/master/exercises/31-networkpolicy/instructions.md, All ingress Pod-to-Pod communication has been denied across all namespaces. You want to allow the…
I have the following pods in the default namespace: web-test-pod-01 1/1 Running 0 19m app=web-test-pod-01 web-test-pod-02 1/1 Running 0 18m app=web-test-pod-02 And in another namespace called devwebapp I have the following NAME READY STATUS RESTARTS AGE LABELS pod/webapp-01 1/1 Running…
I have a K8S cluster with an Nginx ingress controller, linkerd, etc. I want to apply strict network policies, like blocking ingress and egress connections in the entire namespace. This works, but some services need access to the Kubernetes API…
By default pods can communicate with each other in Kubernetes, which is unwanted should a pod be compromised. We want to use NetworkPolicies to control inbound (ingress) and outbound (egress) traffic to/from pods. Specifically pods should ONLY be able to:…
I am setting up hybrid cluster(master-centos and 2 worker nodes-windows 2019) with containerd as runtime. I cannot use any CNI like calico and weave as they need docker as runtime.I can use Flannel but it does not support network policies…