![]() ![]() Var result = authClient.AcquireTokenInteractive(Īll authenticated principals undergo an authorization check before they may carry out an action on a Kusto resource. acquireToken will receive the bearer token for the authenticated user Var authClient = PublicClientApplicationBuilder.Create(appId) Create a public authentication client for Azure AD The token returned by the Microsoft Authentication Library to the Kusto Client Library has the appropriate cluster URI as the audience and the "Access Azure Data Explorer" permission as the scope.Įxample: Obtain an Azure AD User token for a cluster var appId = "" For example, for Azure AD tenant, the Azure AD endpoint is ) The Azure AD Tenant, that affects the Azure AD endpoint used for authentication.The Azure AD Client Application Redirect URI.When the Kusto client libraries invoke the Microsoft Authentication Library to acquire a token for communicating with Kusto, it provides the following information: Kusto client SDK as an Azure AD client application Another method is to set the properties on the client request properties object. NET libraries, authentication is controlled by specifying the authentication method and parameters in the connection string. When using any of the Azure Data Explorer.When using the REST API, authentication is done with the standard HTTP Authorization header.When an MSA principal is configured on a Kusto resource, Kusto won't attempt to resolve the UPN provided. Kusto supports user authentication for MSAs (there's no security groups concept) that are identified by their User Principal Name (UPN). Microsoft Account (MSA) is the term used for all the Microsoft-managed non-organizational user accounts, such as, ,. This method will work if there's a trust relationship between that resource and Kusto. The ID and key are the equivalent of a username and passwordĪpplication authentication using a previously obtained valid Azure AD token, issued to Kusto.Īpplication authentication using a previously obtained valid Azure AD token, issued to some other resource. The following scenarios are supported by the various clients.Īpplication authentication using an X.509v2 certificate installed locallyĪpplication authentication using an X.509v2 certificate given to the client library as a byte streamĪpplication authentication using an Azure AD application ID and an Azure AD application key. ![]() In the flow, the application authenticates to Azure AD (or the federated IdP) by presenting some secret information. Use the Azure AD application authentication flow when requests aren't associated with a specific user or there's no user available to enter credentials. The user token is obtainable only if a trust relationship between that resource and Kusto exists.įor more information, see Kusto connection strings for details on how to use the Kusto client libraries and authenticate by using Azure AD to Azure Data Explorer. The application that uses Kusto can also obtain a valid user token for another service. Token-based authentication is also supported, where the application using Kusto obtains a valid user token. On the client side, interactive authentication is supported, where the Microsoft Authentication Library or similar code, requests the user to enter credentials. It cares about whether the token is valid and what information is put there by Azure AD (or the federated IdP). The Kusto service doesn't care how the security token was obtained. If successful, the user receives a security token that can be presented to the Kusto service. an identity provider that works with Azure AD.User authentication is done when the user presents credentials to: Application authentication (non-interactive sign-in): Used to authenticate services and applications that have to run and authenticate with no human user present.User authentication (interactive sign-in): Used to authenticate human principals.It supports a number of authentication scenarios. It can authenticate security principals or federate with other identity providers.Īzure AD is the preferred method for authenticating. AuthenticationĪzure Active Directory (Azure AD) is Azure's preferred multi-tenant cloud directory service. Authorization: Validates that the security principal making a request is permitted to make that request on the target resourceĪ query or a control command on a cluster, database, or table, must pass both authentication and authorization checks.Authentication: Validates the identity of the security principal making a request.Access Control in Kusto is based on two key factors. ![]()
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