# Access to fetch from origin has been blocked by CORS policy

[TOC]

###### tags: `aws` `s3`

---

## Open the Amazon S3 console and find the bucket you want to configure in the AWS Web Services Management Conole

## Choose Permissions in the pane that opens

## Choose CORS Configuration on the Permission tab

## Enter your CORS configuration in the CORS Configuration Editor and then choose Save

[
	{
		"AllowedHeaders": [
			"*"
		],
		"AllowedMethods": [
			"HEAD",
			"GET",
			"PUT",
			"POST",
			"DELETE"
		],
		"AllowedOrigins": [
			"https://www.example.org"
		],
		"ExposeHeaders": [
			"ETag",
			"x-amz-meta-custom-header"
		]
	}
]

## Reference

- [**AWS** » **Documentation** » **JavaScript SDK** » **Developer Guide for SDK Version 3** » **Cross-origin resource sharing (CORS)**](https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/cors.html)