> For the complete documentation index, see [llms.txt](https://docs.prismacloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.prismacloud.io/admin-guide/32/vulnerability-management/registry-scanning/scan-alibaba-container-registry.md).

# Alibaba Cloud Container Registry

Configure Prisma Cloud to scan your Alibaba Cloud Container Registry. First, create a service account, and then specify the scan parameters.

## Create a Service Account

Create a service account so Prisma Cloud can access your registry. Prisma Cloud needs the **AliyunContainerRegistryReadOnly** permission policy to query, download, and scan the images in your registry.

1. In Alibaba Cloud, create a RAM account.

   Go to **RAM > Users**, and click **Create User**.

   <figure><img src="/files/8oHfmFec4inWnjFewQRf" alt="scan alibaba create user"><figcaption></figcaption></figure>
2. Select **Add Permissions**.

   <figure><img src="/files/tn94YRD89xoFgzVaUF5Z" alt="scan alibaba set perms"><figcaption></figcaption></figure>
3. Search for **registry**, and then select **AliyunContainerRegistryReadOnly**.

## Configure an Alibaba Cloud Container Registry Scan

To scan a repository in Alibaba Cloud Container Registry, create a new registry scan setting.

**Prerequisites:**

* [Install a Defender](/admin-guide/32/install/deploy-defender/defender-types.md) somewhere in your environment.
* Create an Alibaba Cloud Container Registry.
* You have the service account credentials.

1. Open Console, and go to **Defend > Vulnerabilities > Images > Registry settings**.
2. Select **Add registry**.
3. In **Add New Registry Setting Specification**, enter the following values:
   1. In **Version**, select **Docker Registry v2**.
   2. In **Registry**, enter the Fully Qualified Domain Name (FQDN) for the registry. For example, **registry-intl.cn-hangzhou.aliyuncs.com**.
   3. In **Repository**, enter the name of the repository to scan. Example: **library/alpine**.
   4. In **Tag**, enter an image tag. Leave this field blank to scan all images, regardless of their tag.
   5. In **Credential**, configure how Prisma Cloud authenticates with Alibaba Cloud Container Registry.

      Select a credential from the drop-down list. If there are no credentials in the list, click **Add new**, and create a **Basic authentication** credential with the service account username and password.
   6. In **OS type**, specify whether the repo holds **Linux** or **Windows** images.
   7. In **Scanners scope**, specify the collections of defenders to use for the scan.

      Console selects the available Defenders from the scope to execute the scan job according to the **Number of scanners** setting. For more information, see [deployment patterns](/admin-guide/32/vulnerability-management/registry-scanning/configure-registry-scanning.md#deployment-patterns).
   8. In **Number of scanners**, enter the number of Defenders across which scan jobs can be distributed.
   9. In **Cap**, limit the number of images to scan.

      Set **Cap** to **5** to scan the five most recent images, or enter another value to increase or decrease the limit. Set **Cap** to **0** to scan all images.
4. Select **Add and scan**.

   Verify that the images in the repository are being scanned under **Monitor > Vulnerabilities > Images > Registries**.


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