---
title: "put-bucket-cors"
slug: "cli-objectstorage-api-level-put-bucket-cors"
updated: 2026-10-08T05:01:46Z
published: 2026-10-08T05:01:46Z
canonical: "cli.ncloud-docs.com/cli-objectstorage-api-level-put-bucket-cors"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://cli.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# put-bucket-cors

Available in Classic and VPC

Configure CORS rules for a bucket.

## Syntax

The `put-bucket-cors` syntax is as follows:

```
aws s3api put-bucket-cors \
    --bucket <bucket> \
    --cors-configuration <cors-configuration> \
    --endpoint-url <endpoint-url>
```

## Options

This section describes the options available when running `put-bucket-cors`.

### Required options

The following options are required for `put-bucket-cors`.

| Options | Type | Required | Description |
| --- | --- | --- | --- |
| `--bucket` | String | Required | Bucket name |
| `--cors-configuration` | String | Required | CORS settings - Specify rules by including them in the `CORSRules` list. - Up to 100 rules can be specified. |

### Common options

For information about the options common to all `aws` subcommands, see [Object Storage options](/docs/en/guide-objectstorage#%EC%98%B5%EC%85%98).

## Examples

If the request to set a CORS rule is successful, the rule is applied, and no result is displayed.

### Command

The command example is as follows:

```
aws s3api put-bucket-cors --bucket my-test-bucket \
    --cors-configuration file://cors.json \
    --endpoint-url=https://kr.object.ncloudstorage.com
```