How can I ensure that IsInRole checks are not using cached credentials

I have a WPF client that connects to a WCF service, and I want to lock down some of the functionality so that only certain users can perform certa开发者_JAVA技巧in actions. The WCF service impersonate

What's the difference between retrieving WindowsPrincipal from WindowsIdentity and Thread.CurrentPrincipal?

I am trying to work out why attribute based security isn\'t working as I\'d expect in WCF and I suspect it might have something to do with the following:

Verify logged in user against exchange distribution list or AD groups in c#

I am trying to ver开发者_运维知识库ify whether the logged in user exists in a AD group or distribution list. I tried to use WindowsIdentity but that does not give me proper results. If I add a user to

知道最后一次见面是什么歌？