AWSConfigRemediation-ConfigureS3BucketPublicAccessBlock - AWS Systems Manager Automation Runbook Reference

AWSConfigRemediation-ConfigureS3BucketPublicAccessBlock

Description

The AWSConfigRemediation-ConfigureS3BucketPublicAccessBlock runbook configures the Amazon Simple Storage Service (Amazon S3) public access block settings for an Amazon S3 bucket based on the values you specify in the runbook parameters.

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Document type

Automation

Owner

Amazon

Platforms

Linux, macOS, Windows

Parameters

  • AutomationAssumeRole

    Type: String

    Description: (Required) The Amazon Resource Name (ARN) of the AWS Identity and Access Management (IAM) role that allows Systems Manager Automation to perform the actions on your behalf.

  • BlockPublicAcls

    Type: Boolean

    Default: true

    Description: (Optional) If set to true , Amazon S3 blocks public access control lists (ACLs) for the S3 bucket, and objects stored in the S3 bucket you specify in the BucketName parameter.

  • BlockPublicPolicy

    Type: Boolean

    Default: true

    Description: (Optional) If set to true , Amazon S3 blocks public bucket policies for the S3 bucket you specify in the BucketName parameter.

  • BucketName

    Type: String

    Description: (Required) The name of the S3 bucket you want to configure.

  • IgnorePublicAcls

    Type: Boolean

    Default: true

    Description: (Optional) If set to true , Amazon S3 ignores all public ACLs for the S3 bucket you specify in the BucketName parameter.

  • RestrictPublicBuckets

    Type: Boolean

    Default: true

    Description: (Optional) If set to true , Amazon S3 restricts public bucket policies for the S3 bucket you specify in the BucketName parameter.

Required IAM permissions

The AutomationAssumeRole parameter requires the following actions to use the runbook successfully.

  • ssm:StartAutomationExecution

  • ssm:GetAutomationExecution

  • s3:GetAccountPublicAccessBlock

  • s3:PutAccountPublicAccessBlock

  • s3:GetBucketPublicAccessBlock

  • s3:PutBucketPublicAccessBlock

Document Steps

  • aws:executeAwsApi - Creates or modifies the PublicAccessBlock configuration for the S3 bucket specified in the BucketName parameter.

  • aws:executeScript - Returns the PublicAccessBlock configuration for the S3 bucket specified in the BucketName parameter, and verifies the changes were successfully made based on the values specified in the runbook parameters.