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Introducing Windows Azure- P36:The cloud platform is getting more and more attractive to the computing world. Today, service-oriented architecture (SOA) and aspect-oriented programming (AOP) techniques are widely used in enterprise solutions. A question an IT management team or a software development team may ask is, what is the next trend going to be? Cloud computing seems to be the right answer. | CHAPTER 5 AZURE .NET SERVICES ACCESS CONTROL Figure 5-8. Run the client we have the echo from the server and a user has been registered successfully The Access Control Service can provide authentication interactively using CardSpace. This approach will be covered at the end of this exercise. Alternatively the authentication can be done using X.509 certification. Both approaches require that the client application preregister client-side information in the Azure cloud environment. Before we move forward to discuss the Access Control Service using X.509 and CardSpace authentication we have to do some configuration in the local development environment. Authentication Using X.509 Certification or CardSpace in .NET Access Control Service Let s start the process by installing the X.509 certificate. Installing the X.509 Certificate The source code of this exercise Exercise 5 2 contains a generated certificate file called localhost.cer which can be found in the subfolder Certificate after unzipping the source code as Figure 5-9 shows. 148 CHAPTER 5 AZURE .NET SERVICES ACCESS CONTROL Note To generate a new certificate you need to use the certificate enrollment service. Since Windows Vista 7 and Windows Server 2008 are designed as high-security operating systems by default this service is disabled from Windows Vista 7 and Windows Server 2008. If the operating system from your local development is either Windows Vista 7 or Windows Server 2008 the easiest workaround to this issue is to request a new certificate from another computer that runs Window XP or Windows Server 2003. You can reference the following article from The Code Project to request a new certificate using Windows XP or Windows 2003 http 69.10.233.10 kb wcf wcf certificates.aspx. For troubleshooting the certificate enrollment see http blogs.msdn.com windowsvistanow archive 2008 04 08 troubleshooting-certificate-enrollment.aspx. Figure 5-9. Locate the certificate file that will be associated with the scope of an
