What is meant by WS-*? Technology Community › Category: WCF › What is meant by WS-*? 0 Vote Up Vote Down VietMX Staff asked 4 years ago The Web Service stack. There are a bunch of specifications for Web Services, and there names are written WS-whatever, for example: WS-SecurityPolicy. The * is used as a wildcard to indicate that you are referring to the Web Services stack.