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doc-exports/docs/obs/umn/obs_03_0031.html
zhangyue 7492b7b30f OBS UMN doc 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: zhangyue <zhangyue164@huawei.com>
Co-committed-by: zhangyue <zhangyue164@huawei.com>
2023-02-27 19:04:41 +00:00

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Overview

Application Scenario

After you upload a file to a bucket, you can access this file using the bucket's access domain name by default. If you want to use a custom domain name to access the file, bind the custom domain name to the bucket.

Assume that you have a domain name www.example.com and you upload an image image.png to an OBS bucket. As long as you bind www.example.com to the bucket, you can use http://www.example.com/image.png to access image.png. The steps below describe the configurations:

  1. Create a bucket on OBS and upload file image.png to the bucket.
  2. On OBS Console, bind www.example.com to the created bucket.
  3. On the DNS server, add a CNAME record and map www.example.com to the domain name of the bucket.
  4. Send a request for image image.png. After the request for http://www.example.com/image.png reaches OBS, OBS finds the mapping between the www.example.com and the bucket's domain name, and redirects the request to the image.png file stored in the bucket. This way, a request for http://www.example.com/image.png actually accesses http://Bucket domain name/image.png.

Limitations and Constraints

  1. Only buckets with version 3.0 or later support user-defined domain name configuration. The version number of a bucket is displayed in the Basic Information area.
  2. User-defined domain names currently allow requests over only HTTP, but not HTTPS.
  3. A user-defined domain name can be bound to only one bucket.
  4. The suffix of a user-defined domain name can contain 2 to 6 uppercase or lowercase letters.