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I use Facebook SDK .net but I use proxy with authentication to connect to the internet I get the error (407) (407) proxy authentication required how I can set the authentication on Facebook SDK

Ahmad Darwish
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2 Answers2

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There is a static method in FacebookClient which allows you to set it globally.

[EditorBrowsable(EditorBrowsableState.Never)]
public static void SetDefaultHttpWebRequestFactory(Func<Uri, HttpWebRequestWrapper> httpWebRequestFactory)

You might not see it in the intellisense as it is hidden by default.

If you want it per instance you can use the property.

[EditorBrowsable(EditorBrowsableState.Never)]
public virtual Func<Uri, HttpWebRequestWrapper> HttpWebRequestFactory { get; set; }

Here is an example.

FacebookClient.SetDefaultHttpWebRequestFactory(uri => {
    var request = new HttpWebRequestWrapper((HttpWebRequest)WebRequest.Create(uri));
    request.Proxy = ......; // normal .net IWebProxy
    return request;
});
prabir
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  • I can't get it, there is no acebookClient.SetDefaultHttpWebRequestFactory my code is C# code – Ahmad Darwish Sep 04 '12 at 02:39
  • it is static not instance FacebookClient.SetDefaultHttpWebRequestFactory. It is hidden from intellisense so you might not see it. check the source code. – prabir Sep 04 '12 at 14:56
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I recently had this issue when using FacebookClient to post to a Facebook page. In my case I have a WCF service that is responsible for the Facebook interactions and the service sits behind a company proxy. This stackoverflow answer resolved the issue for me but requires the IIS app pool user identity for the service to be set to a user that has domain credentials, otherwise the 407 error is returned. So set the app pool identity to a domain account and add the following to web.config:

<system.net>
  <defaultProxy useDefaultCredentials="true" />
</system.net>
Community
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David Clarke
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