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FAQ

Updated on 2024-11-14 GMT+08:00

Why Is the Pull Traffic Not Deducted from a Pull Traffic Package?

Possible causes are as follows:

  1. The OBS bucket connected to CDN and the pull traffic package are not in the same region. In this case, purchase a pull traffic package in the same region.
  2. OBS bucket is not selected as the origin server type when the domain name is added to CDN.
  3. The OBS bucket version is earlier than 3.0.

Can CDN and OBS Share a Traffic Package?

No. CDN traffic packages deduct the incoming and outgoing traffic of CDN PoPs. OBS traffic packages deduct OBS traffic.

Can an OBS Bucket Domain Name Be Used as an Acceleration Domain Name?

No. The OBS bucket name is used as the origin server when you connect the bucket to CDN. If the OBS bucket domain name is also used as the acceleration domain name, an infinite loop will occur.

Why Are All Files in the Bucket Displayed When Users Request a File from an OBS Bucket Connected to CDN?

A user that has the read permission on an OBS bucket can read the object list of the bucket. When the user requests the domain name added to CDN, OBS returns the object list by default. The solution is as follows:

  1. If you use an OBS public bucket, perform the following steps to rectify the fault:
    1. Enable static website hosting on OBS. For details, see Configuring Static Website Hosting.
    2. Select Static website hosting on the origin server settings page of the CDN console.
      1. Click the target domain name on the Domains page.
      2. In the Origin Server Settings area, locate the row that contains the target origin server and click Edit in the Operation column.
      3. Select Static website hosting and click OK.
  2. If you use an OBS private bucket, create a policy for the CDNAccessPrivateOBS agency to deny listing objects in the bucket.
    1. In the navigation pane of the IAM console, choose Agencies. In the Operation column of CDNAccessPrivateOBS, click Authorize.
    2. On the Authorize Agency page, click Create Policy and set required parameters.
      Table 1 Parameters

      Parameter

      Description

      Policy Name

      Enter a policy name, for example, deny ListBucket.

      Policy View

      Select Visual editor.

      Policy Content

      Effect

      Select Deny.

      Cloud service

      Select Object Storage Service (OBS).

      Actions

      Select obs:bucket:ListBucket.

      Resources

      Select All.

      Request condition

      -

    3. Click Next.
    4. On the Select Policy/Role page, select the created policy and click Next.
    5. On the Select Scope page, click OK. The authorization takes effect 15 to 20 minutes later.
    6. After the authorization takes effect, refresh the CDN cache and try again.

Why Is a File in an OBS Bucket with CDN Acceleration Enabled Automatically Downloaded When I Access the File?

Online preview is not enabled. To enable it, log in to the CDN console and choose Domains in the navigation pane. Click the target domain name, click the Advanced Settings tab, click Edit next to HTTP Headers, and set Content-Disposition to inline.

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