Splunk® Enterprise

Add AWS S3 access log data: Single instance

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Configure AWS permissions

Before you can configure Splunk to work with your AWS data, you must set up accounts in Amazon Web Services.

Configure AWS accounts and permissions

To configure AWS accounts and permissions, you must have administrator rights in the AWS Management Console. If you do not have administrator access, work with your AWS admin to set up the accounts with the required permissions.

  • To let the Splunk Add-on for Amazon Web Services access the data in your AWS account, you assign one or more AWS accounts to an IAM (AWS Identity Account Management) role. You then grant those roles the permissions that are required required by the AWS account.
  • If you run this add-on on a Splunk platform instance in your own managed Amazon EC2 (Elastic Compute Cloud), then assign that EC2 to a role and give that role the IAM permissions listed here.

Manage IAM policies

There are three ways to manage policies for your IAM roles:

  • Use the AWS Policy Generator tool to collect all permissions into one centrally managed policy. You can apply the policy to the IAM group that is used by the account(s) or the EC2s that the Splunk App for AWS uses to connect to your AWS environment.
  • Create multiple different users, groups, and roles with permissions specific to the services from which you plan to collect data.
  • Copy and paste the sample policies provided on this page and apply them to an IAM Group as custom inline policies. To further specify the resources to which the policy grants access, replace the wildcards with the exact ARNs (Amazon Resource Names) of the resources in your environment.

For more information about working with inline policies, see the AWS documentation

Configure S3 permissions

Required permissions for S3 buckets and objects: ListBucket, GetObject, ListAllMyBuckets

Required permissions for KMS: Decrypt

In the Resource section of the policy, specify the ARNs of the S3 buckets from which you want to collect S3 access logs, CloudFront access logs, ELB access logs, or generic S3 log data.

Sample inline policy:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "s3:ListBucket",
        "s3:GetObject",
        "s3:ListAllMyBuckets",
        "kms:Decrypt"
      ],
      "Resource": "*"
    }
  ]
}

For more information and sample policies, see http://docs.aws.amazon.com/AmazonS3/latest/dev/using-iam-policies.html.

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This documentation applies to the following versions of Splunk® Enterprise: 7.2.0, 7.2.1, 7.2.2, 7.2.3, 7.2.4, 7.2.5, 7.2.6, 7.2.7, 7.2.8, 7.3.0, 7.3.1, 7.3.2, 8.0.0


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