// AI news · 2026-11-11 · Google Cloud
Experimenting with CNP in GKE for Network Policy Control
Google Cloud tested ClusterNetworkPolicy in GKE to enforce granular network policies across the cluster.
Published 2026-11-11 00:00 (Beijing time)Source Google CloudAuto-summarised, fact-checked against source
01Summary
The setup uses a three-tier policy model: admin, network policy, and baseline tiers. Traffic to an LLM service is restricted to authorized clients only, with DNS port 53 exempted. Policies are enforced via GKE Dataplane V2 using eBPF, and real-time verdicts are logged for audit purposes.
Summarised from the original article by an open-source model, then checked automatically: every number and English name must appear in the source. The original article is authoritative.
02Key points
- CNP enables cluster-wide network policy enforcement with layered precedence matching.
- Baseline tier applies default deny to all cross-namespace traffic except DNS port 53.
- Application teams define namespace-scoped policies to allow authorized client access.
- Real-time packet decisions are captured via GKE Network Policy Logging.
03Source
Experimenting with ClusterNetworkPolicy in GKE
Google Cloud · published 2026-11-11 00:00 Beijing time
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