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Update authorization links (#9465)

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* update authorization links

* remove cn content and fix link targets
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Bob Killen
2018-07-18 18:07:24 -04:00
committed by k8s-ci-robot
parent f140cbc6f2
commit bf109b4dfa
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content/en/blog/_posts/2017-04-00-Rbac-Support-In-Kubernetes.md
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@@ -13,7 +13,7 @@ The focus of this post is to highlight some of the interesting new capabilities
**RBAC vs ABAC**
Currently there are several [authorization mechanisms](https://kubernetes.io/docs/admin/authorization/) available for use with Kubernetes. Authorizers are the mechanisms that decide who is permitted to make what changes to the cluster using the Kubernetes API. This affects things like kubectl, system components, and also certain applications that run in the cluster and manipulate the state of the cluster, like Jenkins with the Kubernetes plugin, or [Helm](https://github.com/kubernetes/helm) that runs in the cluster and uses the Kubernetes API to install applications in the cluster. Out of the available authorization mechanisms, ABAC and RBAC are the mechanisms local to a Kubernetes cluster that allow configurable permissions policies.
Currently there are several [authorization mechanisms](https://kubernetes.io/docs/reference/access-authn-authz/authorization/) available for use with Kubernetes. Authorizers are the mechanisms that decide who is permitted to make what changes to the cluster using the Kubernetes API. This affects things like kubectl, system components, and also certain applications that run in the cluster and manipulate the state of the cluster, like Jenkins with the Kubernetes plugin, or [Helm](https://github.com/kubernetes/helm) that runs in the cluster and uses the Kubernetes API to install applications in the cluster. Out of the available authorization mechanisms, ABAC and RBAC are the mechanisms local to a Kubernetes cluster that allow configurable permissions policies.
ABAC, Attribute Based Access Control, is a powerful concept. However, as implemented in Kubernetes, ABAC is difficult to manage and understand. It requires ssh and root filesystem access on the master VM of the cluster to make authorization policy changes. For permission changes to take effect the cluster API server must be restarted.