Re: C# windows service blues

From: Dominick Baier [DevelopMentor] (dbaier_at_pleasepleasenospamdevelop.com)
Date: 07/06/05 

Date: Tue, 05 Jul 2005 23:56:20 -0700

Hello Panayotis,

so - i guess this proxy does windows integrated authentication.

Are you using HttpWebRequest for downloading??

This class has a .Proxy property where you can set the proxy.

The WebProxy class in turn has a .Credentials property.

To authenticate against the proxy using windows auth you set

proxy.Credentials = CredentialCache.DefaultCredentials;

and assign the proxy to the webrequest

that should do the trick.

---------------------------------------
Dominick Baier - DevelopMentor
http://www.leastprivilege.com

> Hi,
>
> I have created a web service using C# that needs to check whether some
> XML files are updated, if they are, it downloads them (saves them to
> disk) and processes them by updating data in a back-end MS SQL
> database.
>
> The client has a proxy server installed on their network and they
> request that the windows service be run under a low privileged account
> that will only be able to download the XML files through the proxy as
> well as insert/update/delete data in the MS SQL database.
>
> In addition, they do not want to store the proxy info (server name,
> username, password and domain) to a file, even in encrypted form, but
> they request that the windows service should "automagically" download
> the files via the proxy server by retrieving the SID token of the user
> account under which the windows service will be run from time to time.
>
> I am no expert in this, so I do not know if it is doable. How can I
> retrieve the SID of the currently "service user account" in order to
> present the appropriate network credentials to the proxy server and
> download the files ?
>
> Can anyone give any pointers, code examples, anything really ?
>
> Clueless,
> Thank you for your help.

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