Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question. Asked 10 years, 2 months ago. Active 1 year, 11 months ago. Viewed 61k times. Improve this question. You can't use it with anonymous authentication - have you tried disabling that?
I'm on Windows 7 Professional 64bit machine. When you say " you can't use it with anonymous authentication"? You man that I can't use Windows authentication with anonymous authentication?
That is fine. If everything is good, http. We can see this request was ultimately serviced by IIS, per the "Server" header. This is so the client can authenticate if the server is genuine. It's certainly not obvious here that http. At this point, the server needs to generate the NTLM challenge Type-2 message based off the user and domain information that was sent by the client browser, and send that challenge back to the client. Once it has been received, http.
Note the "Server" header now - this indicates the response was generated and sent back to the client by http. It's not logged by http. It, along with the other requests shown here, can be observed by using an HTTP message tracer, such as the Developer Tools built into all major browsers, Fiddler, etc. This completes the client-side portion, and now it's up to the server to finish the user authentication. Just like before, http.
Once authentication is complete, http. In other words, when IIS receives the request, the user has already been authenticated. We can see this request was serviced by IIS, per the "Server" header. You can also see that HTTP statuses are completely normal in these scenarios, with Kerberos auth receiving just one for the initial anon request , and NTLM receiving two one for the initial anon request, the second for the NTLM challenge.
If you've stumbled across this post looking to understand why you're seeing s when nothing is actually wrong, hopefully this helps clear at least some of the smoke. All current browsers, at least that I know of, handle these authentication processes with no need for user intervention - the browser does all the heavy lifting to get this done.
Generally, browsers will only prompt the user for credentials when something goes wrong with the flows shown above. The same goes for many applications using various kinds of frameworks, like. Privacy policy. This list of providers cannot be extended, and by default it contains only two entries:. The default installation of IIS 7 and later does not include the Windows authentication role service.
To use Windows authentication on IIS, you must install the role service, disable Anonymous authentication for your Web site or application, and then enable Windows authentication for the site or application. After you install the role service, IIS 7 commits the following configuration settings to the ApplicationHost.
There is no user interface for Windows authentication providers for IIS 7. It's similar to NT 4. One of the most important aspects of NT Security is how it authenticates each user. Many less powerful security systems store user names and passwords locally, which could allow a hacker to decrypt security settings on the local machine.
NT Security never actually stores the password. When a user logs onto a computer by entering a user name and password, the computer creates a hash consisting of the user's information user name, password, and domain name and sends the encrypted hash through the network lines to be approved by a domain controller.
When there's a match, the domain controller sends the local computer what's known as a token.
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