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Suppose you have a web application which authenticates clients through a smartcard certificate and everything is working fine, then you decide to move your web application to Windows Server 2008 (which is a good decision in many ways ) but your users are suddenly complaining about slow performance, pages...

For my work I have two desktops and a laptop I always bring with me, and  despite all the online synchronization tools out there ( SkyDrive , FolderShare , Groove , Mesh etc…) I’m used to SyncToy to keep my important files and folders updated across the three machines; The same is true for my backup...

A couple of weeks ago I got an interesting query from a customer, whom had a problem impersonating a service user account by code; the design was a bit more complicated, though: Impersonation not set in web.config By code they needed to impersonate the account logged on the client issuing the HTTP request...

My colleague Feliciano Intini (Chief Security Advisor here at Microsoft Italy) just pointed me to his post were he comments about a news which is (re)spreading across the web about a security hole in the recovery console in Windows Vista: if you can read Italian here is the post , otherwise go on an...

PROBLEM You have a Windows Forms component hosted in Internet Explorer, and you want to catch events raised by this control from client side scripting; to avoid security errors at runtime, the control must have "Allow calls to unmanaged assemblies" permission. if you do this, you'll notice that this...