Re: Calling a webservice using Kerberos
From: Chris Rolon (chris.rolon_at_removethis.neudesic.com)
Date: 01/24/05
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Date: Sun, 23 Jan 2005 20:33:03 -0800
As Jow said you need to read up on delegation. Basicalliy you need to enable
the server and the account for delegation. Then the credentials will flow.
Chris Rolon
"Joe Kaplan (MVP - ADSI)" <joseph.e.kaplan@removethis.accenture.com> wrote
in message news:OeohoQy$EHA.2032@tk2msftngp13.phx.gbl...
> You need to read up on Kerberos delegation. That is what you need to make
> this scenario work. You might start here:
>
http://msdn.microsoft.com/vstudio/using/building/web/default.aspx?pull=/library/en-us/dnnetsec/html/SecNetHT05.asp?FRAME=true#ImplementKerberos
>
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/technologies/security/tkerberr.mspx
>
> Also, this newsgroup is full of Kerberos delegation posts that you can
find
> with Google.
>
> Joe K.
>
> "ALI-R" <newbie@microsoft.com> wrote in message
> news:eb6QkGy$EHA.3504@TK2MSFTNGP12.phx.gbl...
> > I'm writing a webpart which is supposed to connect to a Webserice in our
> > interanet.I am using "RSService.Credentials =
> > System.Net.CredentialCache.DefaultCredentials;"to Authenticate to the
> > webservice.but it dosn't work.why?
> >
> >
> > I think SharePoint which hosts my webpart authenticate the user
requesting
> > my webpart and because credential lasts only for one connection ,when
web
> > part wants to call webservice there is no credenatial anymore and I get
> > 401
> > (Unauthorized) Error.I was told to use Kerberos because it flows the
user
> > identity,but I don't know how to use it in this scenario.
> >
> >
> >
> >
> >
> > Is there somebody who can give me some hints?
> >
> > Thanks
> >
> >
> >
> >
>
>
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