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Article ID: 320976 - Last Review: July 8, 2003 - Revision: 2.5
PRB: Server.Transfer Allows Unauthorized Pages to Be Displayed
This article was previously published under Q320976
When you use the
Server.Transfer method to redirect to a page that the user identity is not authorized to view, the page is processed. This behavior also occurs with the
Server.Execute method.
Server.Transfer and
Server.Execute use a different handler to process the page instead of making another request from the server, which would force reauthorization.
To work around this behavior, force reauthorization, or write your own access control mechanism.
To force reauthorization, use one of the following methods:
- Use the Response.Redirect method.
- Use some other means to check the access before you call Server.Transfer or Server.Execute. For example, you can conditionally make sure that the user has access to a page by using the User.IsInRole("Role") method before you call Server.Execute or Server.Transfer.
This behavior is by design.
Although
Server.Transfer and
Server.Execute behave as expected, Microsoft is considering an alternate means to request reauthorization in a future release of the product.
For more information, visit the following Microsoft Developer Network (MSDN) Web sites:
APPLIES TO
- Microsoft ASP.NET 1.1
- Microsoft ASP.NET 1.0
| kbprb kbsecurity KB320976 |
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