Welcome to the third video in our Calico network policy introduction series. In this lesson, we explore the namespace isolation policy for default-deny behavior.
📺 Video: Namespace Isolation Policy
🔑 Key Highlights:
Understanding namespace isolation policies.
Configuring namespace-scoped policies to permit internal traffic.
Using selectors for targeted policy enforcement.
Practical demonstration of permitting DNS traffic and denying unauthorized external communications.
📜 Chapters: 0:00 Introduction to Namespace Isolation Policy
0:15 Configuring the Namespace Isolation Policy
1:00 Using Namespace Selectors
1:45 Permitting Internal Traffic and DNS
2:30 Practical Example: Traffic Flows in a Demo Environment
4:00 Viewing Flow Logs and Denied Traffic
🎓 What You'll Learn:
How to configure and apply namespace isolation policies using Calico.
Use of namespace selectors for precise policy targeting.
Practical insights into permitting internal namespace traffic and specific external communications.
Understanding flow logs to troubleshoot and manage network policies.
Enhance your policy management skills and ensure robust network security in your Kubernetes environment with our comprehensive video.
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