February 2020
Intermediate to advanced
440 pages
13h 51m
English
Content preview from AWS Security Cookbook
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Comparing ACLs, bucket policies, and IAM policies
ACLs differ from IAM policies and bucket policies in the following ways:
- ACLs provide only basic read/write permission to buckets, objects, and their ACLs. IAM policies and bucket policies provide more fine-grained permissions than ACLs.
- ACLs can only grant access to AWS accounts and predefined groups. ACLs cannot grant permissions to IAM users. IAM policies and bucket policies can be used to grant access to IAM users.
- ACLs, by default, allow full control to the owner of the resource and nothing to everyone else. Bucket policies and IAM policies are not attached to a resource by default.
- ACLs can only grant permissions. Bucket policies and IAM policies can explicitly deny access.
- ACLs ...
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