Challenges | iximiuz Labs

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes, Networking

Enforce a NetworkPolicy to Block All Traffic Except DNS

by Omkar Shelke

A Pod must be fully isolated from the cluster network. Deny all incoming traffic and block all outgoing traffic except DNS queries on port 53.

#ckad #cka #cks #network-policy

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes

Configure Selective Pod-to-Pod Communication Using NetworkPolicies Under Default-Deny

by Omkar Shelke

Learn how to control traffic between Pods using Kubernetes NetworkPolicy. Apply a default deny-all policy and then selectively allow only the traffic that is required between frontend and backend Pods.

#ckad #cka #cks #network-policy

This challenge was created by a community author. Community content is reviewed by the iximiuz Labs team on a best effort basis.

Challenge, Medium, on Kubernetes, Security, Networking

Control Cross-Namespace Traffic Using NetworkPolicy

by Omkar Shelke

A multi-tier application runs across two namespaces. Learn how to isolate the application tier and restrict database access to only the application namespace.

#ckad #cka #cks #network-policy