Asp.net request.useragent null

This authentication provider is also used when you use your own custom security module. Authorization is the process that verifies if the authenticated user has access to the requested resources. The FileAuthorizationModule class performs file authorization and is active when you use Windows authentication.

UrlAuthorizationModule implements both positive and negative authorization assertions; that is, you can use the module to selectively allow or deny access to arbitrary parts of the URI namespace for users, roles such as manager, testers, and administrators , and verbs such as GET and POST.

For more information about authorization in ASP. NET Authorization. Role-based security in ASP. NET is not limited to Windows accounts and groups. For example, if Windows authentication and impersonation are enabled, the identity of the user is a Windows identity User. You can check identities for membership in specific roles and restrict access accordingly. For example:.

If you are using Forms authentication, roles are not assigned to the authenticated user; you must do this programmatically. To assign roles to the authenticated user, use the OnAuthenticate event of the authentication module which is the Forms authentication module in this example to create a new GenericPrincipal object and assign it to the User property of the HttpContext. The following code illustrates this:. To check if the user is in a specific role and restrict access accordingly, use the following code or similar in your.

For more information on role-based security, see Role-Based Security. NET newsgroup. The User-Agent header typically contains text that identifies the name and version number of the software used to generate the request. For a complete list of request headers, see the HttpRequestHeader enumeration.

The UserAgent is null when there is no User-Agent header in the request. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Using 51Degrees' Open source.

You can use the Request. IsMobileDevice property. How can i detect if the request is coming from a mobile browser in my asp. ToLower ; return mobileDevices. IsMobileDevice Request.

When the browser is a mobile device, I redirect it to a different Area.