AmazonS3FilesReadOnlyAccess

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Summary

Provides read only access to all S3 Files via the AWS Management Console.

Permissions imported from the AWS Managed Policy Reference Guide; other sections pending editorial review.

Identity

ARN: arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess
Default version: v1
Created: 2026-04-07
Last edited: 2026-04-07
Services: ec2, s3files

Control-plane actions (15)

By access level: 9 List, 6 Read.

Control-plane actions by service
Service	Granted	Access levels and limits	Granted by
EC2	6 of 834	6 List; 0 restricted, 0 conditional	ec2:DescribeAvailabilityZones, ec2:DescribeNetworkInterfaceAttribute, ec2:DescribeNetworkInterfaces, ec2:DescribeSecurityGroups, ec2:DescribeSubnets, ec2:DescribeVpcs
S3 Files	9 of 24	3 List, 6 Read; 0 restricted, 0 conditional	s3files:Get, s3files:List

EC2: 6 actions

ec2:DescribeAvailabilityZones (List)
ec2:DescribeNetworkInterfaceAttribute (List)
ec2:DescribeNetworkInterfaces (List)
ec2:DescribeSecurityGroups (List)
ec2:DescribeSubnets (List)
ec2:DescribeVpcs (List)

S3 Files: 9 actions

s3files:GetAccessPoint (Read)
s3files:GetFileSystem (Read)
s3files:GetFileSystemPolicy (Read)
s3files:GetMountTarget (Read)
s3files:GetSynchronizationConfiguration (Read)
s3files:ListAccessPoints (List)
s3files:ListFileSystems (List)
s3files:ListMountTargets (List)
s3files:ListTagsForResource (Read)

Data-plane actions (0)

By access level: none.

This policy grants no actions in this plane.

Excluded and conditional actions

No patterns are excluded by NotAction or Deny statements.

Resource scope and attachment

Resource scope across granted actions: all-resources.

Can be attached: Yes, to users, groups and roles.

Why this tier

Grants only List and Read actions.

Guidance

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Same service

Same domain

Frequently asked questions

Pending editorial review. The permission data on this page comes straight from AWS; this section will be filled in once a reviewed guide exists.

Policy JSON

Download policy.json

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Sid": "S3FilesPermissions",
      "Effect": "Allow",
      "Action": [
        "s3files:Get*",
        "s3files:List*"
      ],
      "Resource": [
        "*"
      ]
    },
    {
      "Sid": "EC2ReadOnlyPermissions",
      "Effect": "Allow",
      "Action": [
        "ec2:DescribeSubnets",
        "ec2:DescribeNetworkInterfaces",
        "ec2:DescribeNetworkInterfaceAttribute",
        "ec2:DescribeSecurityGroups",
        "ec2:DescribeVpcs",
        "ec2:DescribeAvailabilityZones"
      ],
      "Resource": "*"
    }
  ]
}

Version history

Current version v1, edited by AWS on 2026-04-07. Version history is recorded from 2026-11-11. Earlier versions are in the IAM console under Policy versions.

Attach snippets

AWS CLI

aws iam attach-role-policy --role-name ROLE_NAME --policy-arn arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess
aws iam attach-user-policy --user-name USER_NAME --policy-arn arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess
aws iam attach-group-policy --group-name GROUP_NAME --policy-arn arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess

CloudFormation

Resources:
  ExampleRole:
    Type: AWS::IAM::Role
    Properties:
      AssumeRolePolicyDocument: {}  # replace with your trust policy
      ManagedPolicyArns:
        - arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess

Terraform

resource "aws_iam_role_policy_attachment" "amazons3filesreadonlyaccess" {
  role       = aws_iam_role.example.name
  policy_arn = "arn:aws:iam::aws:policy/AmazonS3FilesReadOnlyAccess"
}

CDK (TypeScript)

role.addManagedPolicy(
  iam.ManagedPolicy.fromAwsManagedPolicyName("AmazonS3FilesReadOnlyAccess"),
);

Sources

Pending editorial review. No editorial sources are listed yet.