今网页，弹出一个窗口叫你写用户名及密码，我叉了他，结果就出现了一下字样You are not authorized to view this page
You do not have permission to view this directory or page due to the access control list (ACL) that is configured for this resource on the Web server.
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Please try the following:
Contact the Web site administrator if you believe you should be able to view this directory or page.
Click the Refresh button to try again with different credentials.
HTTP Error 401.3 - Unauthorized: Access is denied due to an ACL set on the requested resource.
Internet Information Services (IIS)
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Technical Information (for support personnel)
Go to Microsoft Product Support Services and perform a title search for the words HTTP and 401.
Open IIS Help, which is accessible in IIS Manager (inetmgr), and search for topics titled About Security, Access Control, and About Custom Error Messages.
以前也不是这样的怎么回事呀，几天前还好好的，突然就这样了
