Alcide Blog

Cloud-native Security Provider

Enhancing Kubernetes Security Guardrails with Admission Controllers

Apr 5, 2020 8:52:28 AM / by Yaniv Peleg Tsabari posted in Admission Controller


What Is an Admission Controller?

Kubernetes admission controllers are a powerful native feature, that help define and customize the API resource configurations that can be admitted to a cluster. Described simply, an admission controller is a piece of code that acts on requests made to the Kubernetes API server. They’re invoked prior to the persistence of the object(s) defined by API requests, but after the requests have been authenticated and authorized by the API server.

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