How can you combine Envoy sidecar proxies with Kubernetes Network Policies to enhance pod-to-pod communication security?

hard📝 Application Q9 of 15

Kubernetes - Service Mesh

AUse Network Policies to restrict traffic to Envoy ports only

BDisable Envoy and rely solely on Network Policies

CAllow all traffic in Network Policies and filter in Envoy

DConfigure Network Policies to block Envoy traffic

Step-by-Step Solution

Solution:

Step 1: Understand Network Policies and Envoy roles
Network Policies restrict traffic at Kubernetes level; Envoy filters at application level.
Step 2: Combine for layered security
Restrict traffic to Envoy ports so all pod communication passes through Envoy.
Final Answer:
Use Network Policies to restrict traffic to Envoy ports only -> Option A
Quick Check:
Network Policies + Envoy ports restriction = enhanced security [OK]

Quick Trick: Restrict traffic to Envoy ports with Network Policies [OK]

Common Mistakes:

Master "Service Mesh" in Kubernetes

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