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    4. Prisma Cloud Compute Edition Administrator’s Guide
    5. Vulnerability management
    6. Registry scanning
    7. Scan images in Azure Container Registry (ACR)
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    Scan images in Azure Container Registry (ACR)

    To scan a repository in Azure Container Registry (ACR), create a new registry scan setting.
    Prerequisites:
     You have installed a Defender somewhere in your environment.
    1. Open Console, and go to 
      Defend > Vulnerabilities > Registry
      .

    2. Click
      Add registry
      .
    3. In the
      Add New Registry Setting Specification
       dialog, enter the following values:
      1. In the
        Version
         drop-down list, select 
        Azure Container Registry
        .
      2. In the
        Registry
         field, enter the Fully Qualified Domain Name (FQDN) for the registry’s ACR login server.
        The format for the FQDN is
        <REGISTRY_NAME>.azurecr.io
        , where
        <REGISTRY_NAME>
         is a unique value specified when the registry was created. Example:
        example.azurecr.io
        .
      3. In the
        Repository
         field, enter the name of the repository to scan. Example: 
        library/alpine
        .
      4. In the
        Tag
         field, enter an image tag. Leave this field blank to scan all images, regardless of their tag.
      5. In the
        Credential
         field, configure how Prisma Cloud authenticates with ACR.
        Select a credential from the drop-down list. If there are no credentials in the list, click 
        Add new
        , and create an Azure credential.
      6. In the
        OS type
         field, specify whether the repo holds
        Linux
         or
        Windows
         images.

      7. In
        Scanner
        , select
        Automatic
        .
        Console automatically selects an available Defender to execute the scan job. Alternatively, you can explicitly select a Defender from the drop-down list. Defenders are listed according to the hosts where they run. For more information, see 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 a different value to increase or decrease the limit. Set
        Cap
         to
        0
         to scan all images.
      10. Click
        Add
        .
    4. Click the yellow save button.
    5. Verify that the images in the repository are being scanned.
      1. Go to
        Monitor > Vulnerabilities > Images > Registries
        .
        A progress indicator at the top right of the window shows the status of the current scan. As the scan of each image is completed, its findings are added to the results table.
      2. To get details about the vulnerabilities in an image, click on it.
        To force a specific repository to be scanned again, select
        Scan
         from the top right of the results table, then click on the specific registry to rescan.

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