Upgrading to IIS7 stopped Firefox from receiving cookies?

Posted by Ted Spence on Stack Overflow See other posts from Stack Overflow or by Ted Spence
Published on 2010-05-12T19:52:55Z Indexed on 2010/05/12 19:54 UTC
Read the original article Hit count: 496

Filed under:

iis7

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firefox

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cookie

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ASP.NET

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session

Our website has been using IIS6 for a long time. We test on IE8, Firefox, and Chrome. All browsers worked fine.

We recently did an upgrade to IIS7, and Chrome and IE8 continue to work normally, but Firefox appears to be unable to get the ASP session cookie. As a result, when our code checks the Session[] object, we see nothing, we think the user has logged out, and the site resets your session.

Does anyone know why upgrading to IIS7 would cause this behavior in Firefox? We've: 1) Reverted our application pool back to classic mode (no change); 2) Added a dummy value in the Global.asax object (no change); and 3) changed the web.config file from "authentication cookieless=autodetect" to "cookieless=usercookie" and back (no change).

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