February 2020
Intermediate to advanced
440 pages
13h 51m
English
Content preview from AWS Security Cookbook
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How it works...
In this recipe, we created S3 bucket policies. A bucket policy statement can have the following components: Sid, Principal, Effect, Action, Resource, and Condition. All of these except Principal are the same as an IAM policy and we explored them in the Creating IAM policies recipe in Chapter 1, Managing AWS Accounts with IAM and Organizations.
Principal for a bucket policy can be an account, user, or everyone (denoted by *). Principals can contain an ARN for a resource (specified using the ARN element) or a canonical ID (specified using the CanonicalUser element).
Resource in the case of a bucket policy is a bucket or object and is denoted using a bucket ARN. The bucket ARN should be in the form: arn:aws:s3:::bucket_name ...
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