本文為英文版的機器翻譯版本，如內容有任何歧義或不一致之處，概以英文版為準。

# 使用 EventBridge 監控 Amazon EBS 快照的封鎖公開存取
<a name="block-public-access-snapshots-events"></a>

Amazon EBS 會發出與快照的封鎖公開存取相關的事件。您可以使用 AWS Lambda 和 Amazon EventBridge，透過程式設計方式來處理事件通知。盡可能發出事件。如需詳細資訊，請參閱[「Amazon EventBridge 使用者指南」](https://docs.aws.amazon.com/eventbridge/latest/userguide/eb-what-is.html)。

系統會發出下列事件：
+ 以封鎖所有共用模式啟用快照的封鎖公開存取功能

  ```
  {
    "version": "0",
    "id": "{{01234567-0123-0123-0123-012345678901}}",
    "detail-type": "EBS Snapshot Block Public Access Enabled",
    "source": "aws.ec2",
    "account": "{{123456789012}}",
    "time": "{{2019-05-31T21:49:54Z}}",
    "region": "{{us-east-1}}",
    "detail": { 
      "SnapshotBlockPublicAccessState": "block-all-sharing",
      "message": "Block Public Access was successfully enabled in 'block-all-sharing' mode"
    }
  }
  ```
+ 以封鎖新共用模式啟用快照的封鎖公開存取功能

  ```
  {
    "version": "0",
    "id": "{{01234567-0123-0123-0123-012345678901}}",
    "detail-type": "EBS Snapshot Block Public Access Enabled",
    "source": "aws.ec2",
    "account": "{{123456789012}}",
    "time": "{{2019-05-31T21:49:54Z}}",
    "region": "{{us-east-1}}",
    "detail": { 
      "SnapshotBlockPublicAccessState": "block-new-sharing",
      "message": "Block Public Access was successfully enabled in 'block-new-sharing' mode"
    }
  }
  ```
+ 停用快照的封鎖公開存取功能

  ```
  {
    "version": "0",
    "id": "{{01234567-0123-0123-0123-012345678901}}",
    "detail-type": "EBS Snapshot Block Public Access Disabled",
    "source": "aws.ec2",
    "account": "{{123456789012}}",
    "time": "{{2019-05-31T21:49:54Z}}",
    "region": "{{us-east-1}}",
    "detail": { 
      "SnapshotBlockPublicAccessState": "unblocked",
      "message": "Block Public Access was successfully disabled"
    }
  }
  ```