Kubernetes - Services
You want to expose a NodePort service but restrict access only to specific node IPs. Which Kubernetes feature helps achieve this?
You want to expose a NodePort service but restrict access only to specific node IPs. Which Kubernetes feature helps achieve this?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Identify feature controlling network access
Network Policies control traffic flow to and from pods and nodes.Step 2: Exclude other options
Pod Security Policies control pod security, Resource Quotas limit resource usage, Autoscaler manages pod count.Final Answer:
Network Policies -> Option DQuick Check:
Restrict NodePort access using Network Policies [OK]
Quick Trick: Use Network Policies to restrict NodePort access by IP [OK]
Common Mistakes:
- Confusing security policies with network policies
- Expecting resource quotas to control access
- Thinking autoscaler manages network access
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