WCF – Multiple Authentication Support

In previous versions of Windows Communication Foundation, if we wanted to have multiple authentications for a single service, we were  creating separate endpoint for that particular WCF Service. But WCF 4.5 supports Multiple Authentications at single endpoint. So, we can configure single endpoint of a WCF Service to support multiple authentications (e.g. Windows, Basic, Anonymous, etc).

Multiple Authentication can be achieved in two simple ways:

  • In IIS, host the WCF Service and enable multiple authentications like Anonymous, Basic or Windows Authentication.
  • In configuration file, update security mode settings as follows:

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