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    5. Vulnerability management
    6. Registry scanning
    7. Docker Registry v2

    Docker Registry v2

    Scan Docker v2 registries, including Docker Hub.

    Scan images on Docker Registry v2 (including Docker Hub)

    Most vendors' registries comply with the Docker Registry version 2 API, including Docker Hub. To scan a Docker Registry v2 repository, create a new registry scan rule.
    For Docker Hub repositories:
    • To specify an official Docker Hub repository, enter library/, followed by the short string used to designate the repo. For example, to scan the images in the official Alpine Linux repository, enter library/alpine.
    • To specify non-official repositories, enter the user name or organization name, followed by a slash, followed by the name of the repo. For example, to specify the alpine repository in onescience’s account, enter onescience/alpine.
    • To scan all repos from a user or organization, simply enter the user or organization name, followed by a wildcard (*). For example, to scan all repos created by onescience, enter onescience*.
    Scanning insecure registries (http) is not supported.
    Prerequisites:
     You have installed a Defender somewhere in your environment.
    1. Open Console, and then go to
      Defend > Vulnerabilities > Registry
      .
    2. Click
      Add registry settings
      .
    3. In the dialog, enter the following information:
      1. In the
        Version
         drop-down list, select
        Docker Registry v2
        .
      2. Leave the
        Registry
         field blank. An empty field specifies Docker Hub (hub.docker.com).
      3. In
        Repository name
        , enter the name of the repo to scan. For example, enter
        library/alpine
         to scan the official Alpine image. If the repo is part of an organization, use the organization/repository format. For example,
        bitnami/nginx
        .
      4. In
        Credential
        , select the credentials to use.
        If you are scanning a public repository, leave this field blank.
        If you are scanning a private repository, and Console doesn’t have your credentials yet, click
        Add New
        . Select either
        Basic authentication
         or
        Certificate-based authentication
        , and fill out the rest of the fields. For certificate-based authentication, provide a client certificate with private key, and an optional CA certificate.
      5. In
        OS type
        , specify whether the repo holds
        Linux
         or
        Windows
         images.
      6. 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.
      7. In
        Number of scanners
        , enter the number of Defenders across which scan jobs can be distributed.
      8. Set
        Cap
         to the number of most recent images to scan. Leaving
        Cap
         set to the default value of
        5
         will scan the most recent 5 images. Setting this field to
        0
         will scan all images.
      9. Click
        Add
        .
    4. Click the
      Save
       button.

    Results

    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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