Impersonation with Double Identities

There are two different levels of security that you can use for WCF services: Message level and Transport level. For Transport level, in HTTP case, you can use different IIS Authentication mechanisms to perform client authentication. If you do not carefully set the settings of the WCF binding, you may end up with both security…


Virtual Application vs Virtual Directory

People are always confused by these two IIS concepts, especially for the new IIS7/WAS. These are not new concepts. They are available since IIS6 on Windows 2003 Server. However the terms were misused in IIS6 and they are corrected in IIS7 in Windows Vista and higher versions of Windows. Virtual Application What is it? The…


IIS7/WAS Installation

IIS7 has a modular design which allows you to selectively install components that are needed. This design is based on the new manifest-driven Componentization technology that was first introduced in Windows Vista. As the IIS site claimed, there are more than 40 standalone feature components of IIS7 which can be independently installed. This is good…


What is IIS7?

What is IIS7? What is the difference between IIS6 and IIS7? Here are the simple answers: §         IIS7 is a new revision (version 7.0) of the Internet Information Services that is shipped on Windows Vista and the next Windows Server version. §         The most attractive features of IIS7 are: modular design (thanks to the new…


.NET Framework 3.0 and SDK are shipped

Finally, we made it! .NET Framework 3.0 (was called “WinFX”) is shipped today. Here is the download link: Here is the SDK download link: