How is CORS actually fixed?
On the server side, by returning the right CORS headers to allow your origin, or by routing the request through your own backend proxy that does so. CORS is enforced by the browser but allowed by the server.
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More FAQs in What Is CORS and Why Does It Matter in React Development?
CORS stands for Cross-Origin Resource Sharing. It is a browser security mechanism that controls whether a web page from one origin can access resources from another origin.
To prevent malicious websites from making requests to other sites on behalf of the user. Without CORS, any site could make requests to your bank or email using the user's cookies, which would be a serious security risk.
Because Postman is not a browser and does not enforce CORS. The browser blocks the response if the server did not allow your origin. The request reaches the server fine; the browser just refuses to hand you the response.
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