How to Inspect Kubernetes Networking

Kubernetes is a container orchestration system that can manage containerized applications across a cluster of server nodes. Maintaining network connectivity between all the containers in a cluster requires some advanced networking techniques. In this article, we will briefly cover some tools and techniques for inspecting this networking setup.
These tools may be useful if you are debugging connectivity issues, investigating network throughput problems, or exploring Kubernetes to learn how it operates.


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Good stuff.  I think few weeks back we heard of Kubernetes vulnerability. I did not pay attention to that. Is it this one?

https://www.twistlock.com/labs-blog/demystifying-kubernetes-cve-2018-1002105-dead-simple-exploit/

Yes Raja, It was



Current Github issue description:
With a specially crafted request, users that are authorized to establish a connection through the Kubernetes API server to a backend server can then send arbitrary requests over the same connection directly to that backend, authenticated with the Kubernetes API server’s TLS credentials used to establish the backend connection.