United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. Archived Forums. Sign in to vote. Anyone seen something like this? Wednesday, August 1, PM. Please review the specific error details below and modify your configuration file appropriately. This error can be caused by a virtual directory not being configured as an application in IIS. Source Error:. Authentication mode about how user can login to web site.
If you use "Windows", user can login with windows username and password. In "Forms" user can login with standart asp. In Passport user can login with and id such as windows live. And If you choose none, you must write your custom authentication. Use ASP. NET Core Authorization to challenge anonymous requests for authentication. Negotiate component performs User Mode authentication. Service Principal Names SPNs must be added to the user account running the service, not the machine account.
The instructions create a machine account for the Linux machine on the domain. SPNs must be added to that machine account. When following the guidance in the Connect Azure Data Studio to your SQL Server using Windows authentication - Kerberos article, replace python-software-properties with python3-software-properties if needed. Once the Linux or macOS machine is joined to the domain, additional steps are required to provide a keytab file with the SPNs:. The following code adds authentication and configures the app's web host to use HTTP.
The configuration state of anonymous access determines the way in which the [Authorize] and [AllowAnonymous] attributes are used in the app. The following two sections explain how to handle the disallowed and allowed configuration states of anonymous access. When Windows Authentication is enabled and anonymous access is disabled, the [ [Authorize] ] xref:Microsoft.
AuthorizeAttribute and [AllowAnonymous] attributes have no effect. If an IIS site is configured to disallow anonymous access, the request never reaches the app. For this reason, the [AllowAnonymous] attribute isn't applicable. When both Windows Authentication and anonymous access are enabled, use the [ [Authorize] ] xref:Microsoft.
AuthorizeAttribute and [AllowAnonymous] attributes. The [ [Authorize] ] xref:Microsoft. AuthorizeAttribute attribute allows you to secure endpoints of the app which require authentication. The [AllowAnonymous] attribute overrides the [Authorize] attribute in apps that allow anonymous access. For attribute usage details, see Simple authorization in ASP.
NET Core. By default, users who lack authorization to access a page are presented with an empty HTTP response. NET Core doesn't implement impersonation. Apps run with the app's identity for all requests, using app pool or process identity. If the app should perform an action on behalf of a user, use WindowsIdentity. Run a single action in this context and then close the context. While the Microsoft. Negotiate package enables authentication on Windows, Linux, and macOS, impersonation is only supported on Windows.
Therefore, an IClaimsTransformation implementation used to transform claims after every authentication isn't activated by default. For more information and a code example that activates claims transformations, see ASP. NET Core Module. You can use Windows Authentication when your server runs on a corporate network using Active Directory domain identities or Windows accounts to identify users. IISIntegration namespace in Startup. ConfigureServices :. The Web Application template available via Visual Studio or the.
When modifying an existing project, confirm that the project file includes a package reference for the Microsoft. App metapackage or the Microsoft. Authentication NuGet package. Configure :. For more information on middleware, see ASP.
NET Core Middleware. AuthenticationScheme requires the NuGet package Microsoft. HttpSys namespace in Startup.
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