William Denniss • 11/6/2023

Testing Namespace Isolation using NetworkPolicy

This technical article provides a hands-on guide to implementing namespace isolation in a Kubernetes cluster using NetworkPolicy. It demonstrates how to configure ingress and egress rules to block traffic between namespaces while permitting communication within the same namespace and to/from the internet. The guide includes specific setup instructions for GKE with Dataplane v2 and CloudDNS, along with example commands and YAML file references.

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#Kubernetes #Gke #Container Networking