The HTTP request was forbidden with client authentication scheme 'Anonymous'. The remote server returned an error: (403) Forbidden

Question

I am trying to create a secure webservice.

Here is the contract and service implementation

[ServiceContract()]
public interface ICalculatorService
{         


        

Answer 1

If you run self hosted WCF service (without IIS) you can enable anonymous clients just by adding to the config file (in server) the next settings:

Also, set clientCredentialType to "InheritedFromHost":

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References:

Using Multiple Authentication Schemes with WCF

Understanding HTTP Authentication