Internet Information Service may Return Source of Active Server Pages File

If an Internet Information Services (IIS) server receives a file request that contains a specialized header as well as one of several particular characters at the end, the expected ISAPI extension processing may not occur. The result is that the source code of the file would be sent to the browser.

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base: The following files are available for download from the Microsoft Download Center:

For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.

Microsoft has confirmed that this is a problem in Internet Information Server 5.0. This problem was first corrected in Windows 2000 Service Pack 1.

For related information about this problem, please visit the following Microsoft Web site: For additional security-related information about Microsoft products, please visit the following Microsoft Web site: