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CORS RequestsCORS is a mechanism that provides secure communication between browsers and servers running on different origins.
CORS allows a web application running on www.site1.com to securely access restricted resources on www.site2.com.
CORS is a way for the server to check if the request is coming from an allowed origin.
What is CORS?
Cross-Origin Resource Sharing (CORS) is an HTTP header-based mechanism that enables secure communication between browsers and servers running from different sources. These sources can differ from the current ones by hostname, HTTP scheme, or port number. A feature of CORS implementation was related to the restrictions of the single-origin policy, which restricts resources to interact only with resources located in the same domain. CORS is a way that a server can check if a request is coming from an allowed source and tell the browser not to block it. To make CORS requests using Curl, you need to provide an Origin header for your requests.