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Role-Based Access Control in Azure

Author: Gautham Kumar
by Gautham Kumar
Posted: Apr 13, 2019

In this article, we'll take a look at Role-Based Access Control (RBAC) to understand how you can use it to manage the security for your Resource Manager resources. before learn about what is azure

What is role-based access control in Azure? In addition to the Resource Manager deployment model that allows you to group and manage your related resources, Microsoft introduced Role-based access control, providing fine-grained control over the operations and scope with which a user can control an action. While the classic methodology only allows you to grant either full administrative advantage to everything in a subscription or no access at all. With this Resource Manager, one can grant permissions at a specified group, resource. This means that you can also deploy a set of resources into a resource group and then you can give permissions to one or more specific users, groups, or service principal. Such users have the permissions granted to those resources in that resource group. This access does not allow them to modify resources in any of the other resource groups. You can also grant access user permission to manage a single VM, and that's all that user will be able to access and administer.

In addition to users, Azure Role-based access control also supports service principals that formally are identities representing applications, but informally are used by RBAC to allow automated processes to manage Resource Manager resources. To grant access, you can assign a role to the user, group, or service principal. There are predefined roles, and you can also define into your own custom roles. You can learn more in azure training.

Roles

For each role has a list of Actions and Not Actions. The Actions are included, and while Not Actions are not allowed.

For instance, there is a role called Contributor. With this contributor role, one can manage everything except access. For each role has the Actions and Not Actions:

Actions

Users can create and manage Actions resources of all types

Not Action:

Write, Can't create roles or assign roles

Not Action:

Delete, Can't delete roles or role assignments

Let's discuss some more live examples

Owner

A user with this owner role can manage everything, including access. This role has no Not Actions.

Reader

A user with this role can read all types of resources but he can't make any changes. This reader role will allow someone to look at the properties of a storage account, but it won't let that person retrieve the access keys.

SQL DB Contributor

A user with SQL DB Contributor role can manage SQL databases but not their security-related policies.

SQL Security Manager

A user with a security manager can manage the security-related policies of SQL Servers and databases. These are popular examples of predefined roles. While coming to custom roles are follows

Custom Roles

If none of the predefined roles and no combination of the built-in roles provides exactly what you need, then you create a custom role. By using PowerShell, the Azure CLI, or the REST APIs we can create custom roles in Azure. Once you create a custom role, you can also assign it to users, groups, or application for a subscription, resource group, or resource. These roles are stored in the Azure directory and can be shared across all subscriptions.

you can also get azure certification training

About the Author

We provide online training on various courses related to It technologies. if you are interested you can contact me

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Author: Gautham Kumar

Gautham Kumar

Member since: Mar 12, 2019
Published articles: 19

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