How do I restrict access to some methods in WCF?

Question

I am a bit lost getting started with a simple WCF service. I have two methods and I want to expose one to the world and the second one I want to limit to certain users. Ev

Answer 1

Use the following steps to restrict access to specific Windows users:

• Open the Computer Management Windows applet.
• Create a Windows group that contains the specific Windows users to which you wish to give access. For example, a group can be called “CalculatorClients”.
• Configure your service to require ClientCredentialType = “Windows”. This will require clients to connect using Windows authentication.
• Configure your service methods with the PrincipalPermission attribute to require connecting users be members of the CalculatorClients group.

// Only members of the CalculatorClients group can call this method.
[PrincipalPermission(SecurityAction.Demand, Role = "CalculatorClients")]
public double Add(double a, double b)
{ 
return a + b; 
}