Ben Foster • 5/11/2015

Enabling CORS in ASP.NET Web API 2

This technical article explains how to enable Cross-Origin Resource Sharing (CORS) in ASP.NET Web API 2. It compares two methods: the Web API-specific CORS package for fine-grained, attribute-based control and the OWIN middleware for broader application-level support, especially useful with OAuth. The post includes code snippets for configuring the OWIN middleware with a custom policy and a crucial tip for handling OPTIONS pre-flight requests in IIS via web.config.

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#Web Development #Cor #API Security