Re: IE prompts for username, Mozilla does not!
From: David Wang [Msft] (someone_at_online.microsoft.com)
Date: 10/28/04
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Date: Thu, 28 Oct 2004 03:02:45 -0700
Setting up anonymous access in IIS simply means that IIS will attempt to
login the specified Anonymous User in IIS configuration to execute all
requests -- IIS will not negotiate authentication with the browser to obtain
the user context to execute the given request. In other words, view
authentication as using the browsing user's name/password, while anonymous
authentication is IIS using a hardcoded but configurable username/password.
Now, it could be possible that the specified Anonymous User in IIS
configuration is incorrect (i.e. the username/password is inconsistent with
the real username/password in the local SAM or AD), in which case when IIS
attempts to logon the Anonymous User for anonymous requests, it fails and
thus returns a 401.1 -- which will then cause the web browser to pop up the
login dialog. Realize that IIS is not negotiating authentication with the
browser -- it is simply returning a 401.1 because the anonymous credentials
are wrong -- so when the user gives username/password to the login dialog,
it is totally ignored by IIS, which then retries anonymous authentication,
still with incorrect username/password, returns 401.1 again... and the cycle
continues until the client gives up.
All this are simply server side configuration issues. I've honestly not had
an IIS server configured with anonymous authentication enabled require login
regardless of the browsers I've used -- so there is something funny with
your server configuration/setup.
Can you give the web log entries for those requests that trigger the login
dialog box. Make sure the browser caches are all cleared, and navigate to
two different web pages and show the web log entries for them all, along
with Authentication protocols enabled for the URLs in question and any
custom ISAPI/products on the server.
You can also try running AuthDiag to see what it detects.
-- //David IIS This posting is provided "AS IS" with no warranties, and confers no rights. // "Mark" <anonymous@devdex.com> wrote in message news:%23Pt7FLMvEHA.1564@TK2MSFTNGP09.phx.gbl... Hi David - thank you. So this is just a situation I have to put up with? I still can't understand though, as the site is setup to allow anonymous access - so surely the webserver is not prompting IE for anything? Every page the user visits they are prompted for a username and password - this can't be right. I did read another post: http://groups.google.com/groups?hl=en&lr=&threadm=OHMCfGdrDHA.3180%40TK2 MSFTNGP11.phx.gbl&rnum=3&prev=/groups%3Fhl%3Den%26q%3Diis%2Bie%2Banonymo us%2Blogin%2Bprompt%2Bfor%2Busername%26spell%3D1 - which suggested that IIS and the Windows SAM DB is out of sync... Sorry if I seem a little confused - but I'm really struggling here, Thanks, Mark *** Sent via Developersdex http://www.developersdex.com *** Don't just participate in USENET...get rewarded for it!
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