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Labs

Network Policy with Calico

This lab covers the Kubernetes feature of Network Policy. The lab utilizes the `kops` installer to create a cluster using the Calico network overlay. The student is guided through the process of first creating a network policy that prohibits pod access, followed by another policy that grants pod access to certain clients and a named server.

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Lab Info
Level
Intermediate
Last updated
Sep 22, 2025
Duration
1h 0m

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Table of Contents
  1. Challenge

    Create the Kubernetes Cluster

    You'll start by creating the cluster for the lab. (For specific commands, see the Project Guide and the videos.)

  2. Challenge

    Configure the Required Namespace

    You'll next create the namespace.

  3. Challenge

    Create the Demo Pods

    You'll create the pods within the namespace, and test the web server.

  4. Challenge

    Enable Isolation

    You'll enable isolation.

  5. Challenge

    Test Isolation

    With isolation enabled, you'll test that in fact you cannot access the web server.

  6. Challenge

    Allow Restricted Access Using a Network Policy

    You'll now allow restricted access.

  7. Challenge

    Verify Access to nginx from the access Pod

    From within a pod, you'll ensure you can access the web server.

  8. Challenge

    Verify That Access to nginx Is Not Allowed from Another Pod

    And, you'll then test that from another pod you cannot access the web server.

  9. Challenge

    Delete the Namespace to Clean Up

    Finally, you'll clean things up.

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