https://stackoverflow.com › questions › 1653308

Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header? I'm aware of the *, but it is too open. I really want to allow just a couple domains. As an example, something like this: Access-Control-Allow-Origin: http://domain1.example, http://domain2.example.

https://stackoverflow.com › questions › 24897801

Here is what I use in my express application to allow multiple origins. app.use((req, res, next) => { const allowedOrigins = ['http://127.0.0.1:8020', 'http://localhost:8020', 'http://127.0.0.1:9000', 'http://localhost:9000']; const origin = req.headers.origin; if (allowedOrigins.includes(origin)) {

https://developer.mozilla.org › en-US › docs › Web › HTTP › Headers › Access-Control-Allow-Origin

The Access-Control-Allow-Origin response header indicates whether the response can be shared with requesting code from the given origin.

https://developer.mozilla.org › en-US › docs › Web › HTTP › CORS

Access-Control-Allow-Origin specifies either a single origin which tells browsers to allow that origin to access the resource; or else — for requests without credentials — the * wildcard tells browsers to allow any origin to access the resource.

https://developer.mozilla.org › fr › docs › Web › HTTP › Headers › Access-Control-Allow-Origin

L'entête Access-Control-Allow-Origin renvoie une réponse indiquant si les ressources peuvent être partagées avec une origine donnée. Syntaxe. Access-Control-Allow-Origin: * Access-Control-Allow-Origin: <origin> Access-Control-Allow-Origin: null. Directives. *

https://portswigger.net › web-security › cors › access-control-allow-origin

The specification of Access-Control-Allow-Origin allows for multiple origins, or the value null, or the wildcard *. However, no browser supports multiple origins and there are restrictions on the use of the wildcard *. Handling cross-origin resource requests with credentials.

https://blog.taiker.space › nginx-allow-multiple-origin

With 'Access-Control-Allow-Origin *,' essentially, anyone on the internet can attempt to access our resources, which poses more risk. In this post, I'll share how to allow access from multiple origins to your resources specifically. Let's dive in. CORS. First, let's get a handle on what CORS is. CORS stands for Cross-Origin Resource Sharing.

https://www.moesif.com › blog › technical › api-development › Mastering-Access-Control-Allow...

Master the art of managing cross-domain requests with our deep dive into configuring the Access-Control-Allow-Origin header. Learn how to balance security and functionality while effectively implementing CORS to ensure seamless, secure data exchanges across different domains.