The two WWW-Authenticate additions Microsoft makes use of that I am currently aware of are
NTLM
Negotiate
If Negotiate is sent down from the server, based on a set of conditions Kerberos will be used
Intranet Zone
Accessing the server using a Hostname rather then IP
Integrated Windows Authentication in IE is enabled, the host is tr...
            
           
          
            
            Hey all,
I've encountered a Win2008 IIS7 installation that appears to be refusing to send the WWW-Authenticate response headers automatically (the virtual dir is configured for Anonymous and Windows Authentication... and the first request is being rejected with a 401-Unauthorized response).
My clean test environment does this properly ...
            
           
          
            
            I noticed that once Firefox pops up a modal in response to a WWW-Authenticate header in an HTTP response.  Then, Firefox saves the username/password until Firefox is closed.  The Web Developer plug-in makes it possible for developer-minded people to logout.  But what HTTP message should be sent to the browser to lose those cached credent...
            
           
          
            
            Regarding multiple WWW-Authenticate challenges, according to the specification, they can be returned either within the same WWW-Authenticate header or by using multiple WWW-Authenticate headers within the same response.
Is there a consensus on which method is preferred? 
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            I am trying to view a web page, fron an Android app,  that requires authentication and get the following message:
----- Android webView error start --------
"You do not have permission to view this directory or page using the credentials that you supplied because your Web browser is sending WWW.Authenticate header field that the Web se...