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Authentication Across Domains using IIS

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Subject Author Date
Authentication Across Domains using IIS saurabhgarg2k 07-29-2005
Posted by saurabhgarg2k on July 29, 2005, 6:47 am
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Hi there,

We are trying to set up a Web Applicaiton using ASP.Net. The web server
is hosting the Application is on a different domain than the Domain of
our Internal Users.What we need is a way to Pass the Authentication
Information of our Internal Users who are logged on to their
workstations connected to Internal domain to the Web Server which is on
a different domain and use the same Authentication information the
users.

Is there any way to achieve it.

What i have tried to do is -:

1) Disable Anonymous Access On and put Integrated Windows
Authentication On on the Web Server which is on External domain.

2) On Clients machine using IE6, Tools-> Internet Options -> Internet
Zone -> Automatic Logon With Current username and password.

But when i tried to access the site on External domain from internal
domain, it returns a 505 (Internal Server Error).I was just wondering
how the IIS on External Domain will authenticate the users on Internal
Domain.

Note: There is not trust between the domains.

Regards
Saurabh Garg



Posted by Roger Abell on July 31, 2005, 7:38 am
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If when you say "external domain" you are meaning in a different
and non-trusting forest, then you will not be able to use the credentials
of the accounts as they are unknown in that external realm.

--
Roger Abell
Microsoft MVP (Windows Security)
MCSE (W2k3,W2k,Nt4) MCDBA
> Hi there,
>
> We are trying to set up a Web Applicaiton using ASP.Net. The web server
> is hosting the Application is on a different domain than the Domain of
> our Internal Users.What we need is a way to Pass the Authentication
> Information of our Internal Users who are logged on to their
> workstations connected to Internal domain to the Web Server which is on
> a different domain and use the same Authentication information the
> users.
>
> Is there any way to achieve it.
>
> What i have tried to do is -:
>
> 1) Disable Anonymous Access On and put Integrated Windows
> Authentication On on the Web Server which is on External domain.
>
> 2) On Clients machine using IE6, Tools-> Internet Options -> Internet
> Zone -> Automatic Logon With Current username and password.
>
> But when i tried to access the site on External domain from internal
> domain, it returns a 505 (Internal Server Error).I was just wondering
> how the IIS on External Domain will authenticate the users on Internal
> Domain.
>
> Note: There is not trust between the domains.
>
> Regards
> Saurabh Garg
>




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