Windows Authentication + Firefox : Browser hangs when selecting files

  •  10-01-2009, 1:25 PM

    Windows Authentication + Firefox : Browser hangs when selecting files

    We had an important issue with Firefox + Windows Authentication
     
    Server configuration:
    - IIS 7.0
    - Windows Authentication
    - Classic .NET AppPool (Managed Pipeline Mode = Classic)
    - CuteWebUI.AjaxUploader.dll (File description = "Ajax Uploader 3.0 20090930")
     
    Browser configuration
    - Firefox 3.0.14
    - Flash 10.0.r32
     
    When clicking the "Open" button in the Browse window, then we are asked for credential. After entering login and password, nothing is uploaded and Firefox hangs.
     
    I saw a couple of post in this forum, among which:
    In that post, you seem to say on August 24 that the problem has been fixed, but it's not for us. I've downloaded last version this morning.
     
    Note that:
    1. If we force UploadType.IFrame, it works, but it's not suitable because we cannot select more than one file (we bought AjaxUploader for multiple files uploading).
    2. If we force UploadType.Silverlight, then clicking the "Browse" button has no effect, the Browse dialog does not even popup.
    3. With basic authentication we don't have this problem, but it's not suitable for us, because Windows Authentication and Classic pipeline mode are part of the requirements of our application.
    4. We don't have problem with IE
     
    We can reproduce this problem when browsing with Firefox from any computer.
     
    Thanks in advanced!
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