authentication using CredentialCache against proxy server problem

From: Tom (tomas_at_gratex.com)
Date: 08/07/03 

Date: Thu, 7 Aug 2003 10:15:11 +0200

Hi all

I'm not able to authenticate against proxy server when I try to pass an
instance of
CredentialCache to WebProxy instance used with HttpWebRequest.WebProxy or
SoapHttpClientProtocol instance.
Everything works well when I pass NetworkCredential instance directly and
unregister
some AuthenticationModules to force choosen type of
authentication. [Negotiate,Kerberos,NTLM which my proxy supports].
The way using CredentialCache works well against IIS hosting my webservice,
but not proxy server. What could cause this problem?

Many thanks for all advices/suggestions

Tom

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