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How to secure Kubernetes pod-to-pod network communications using Cilium Network Policies?

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Version 1 (Edit)

Edited by Ishaan Patel · Aug 23, 2026 4:57 PM

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Title snapshot

How to secure Kubernetes pod-to-pod network communications using Cilium Network Policies?

Summary snapshot
Implementing L3/L4 and L7 network micro-segmentation in k8s clusters.
Content snapshot
### Pod Network Policy Apply strict egress and ingress Cilium policies allowing pods to communicate only with explicitly whitelisted services over required ports.
Source snapshot

https://cilium.io/

Version 1 (Original Post)

Published by Ishaan Patel · Aug 9, 2026 5:37 AM

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Post originally created and published to the Global Hub.

Original Title

How to secure Kubernetes pod-to-pod network communications using Cilium Network Policies?

Original Summary
Implementing L3/L4 and L7 network micro-segmentation in k8s clusters.
Original Content
### Pod Network Policy Apply strict egress and ingress Cilium policies allowing pods to communicate only with explicitly whitelisted services over required ports.
Original Sources

https://cilium.io/