From the course: Securing Containers and Kubernetes Ecosystem

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Authenticating service accounts

Authenticating service accounts - Kubernetes Tutorial

From the course: Securing Containers and Kubernetes Ecosystem

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Authenticating service accounts

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- [Lecturer] So far, we talked about authenticating regular users but what about authenticating applications or more specifically pods? Kubernetes offers a construct known as ServiceAccont. Unlike user accounts kubernetes does indeed store ServiceAccount details as a ServiceAccount resource. Each pod is assigned a ServiceAccount by default. But you can and should change the default account, why? By associating a ServiceAccount to a pod gives you the developer or the admin, the flexibility to control the resources a pod will have access to. Let's see how. A pod sends a request to the API Server with an authentication token. That token uniquely identifies that pod. Upon receiving the request the API Server in turn does two things. With the help of authentication plugin it authenticates ServiceAccount and next, using the authorization plugin checks whether the requested operation is permitted for that ServiceAccount.…

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