Google introduced ClusterNetworkPolicy (CNP) support to Google Kubernetes Engine (GKE) in version 1.36 preview, providing centralized, non-bypassable cluster-wide network security management.

Key Details

• ClusterNetworkPolicy (CNP) is an open-source standard developed by the Kubernetes SIG-Policy Working Group.
• Establishes a three-tier hierarchy (Admin, Network Policy, and Baseline) to resolve policy conflicts between security admins and developers.
• Developed in collaboration with the Kubernetes and Cilium open-source communities.
• Available in preview for GKE version 1.36 and later.

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