Question

Which of following canned ACL permission is default

Answer 1

Amazon S3 access control lists (ACLs) enable you to manage access to buckets and objects. Each bucket and object has an ACL attached to it as a subresource. It defines which AWS accounts or groups are granted access and the type of access. When a request is received against a resource, Amazon S3 checks the corresponding ACL to verify that the requester has the necessary access permissions.

When you create a bucket or an object, Amazon S3 creates a default ACL that grants the resource owner full control over the resource. This is shown in the following sample bucket ACL (the default object ACL has the same structure):

Answer 2

Amazon S3 get to control records (ACLs) empower you to oversee access to basins and articles.

• Each can and object has an ACL joined to it as a subresource. It characterizes which AWS records or gatherings are allowed get to and the sort of access.
• At the point when a solicitation is gotten against an asset, Amazon S3 checks the relating ACL to confirm that the requester has the fundamental access consents.  

• At the point when you make a basin or an item, Amazon S3 makes a default ACL that awards the asset proprietor full authority over the asset.  
• An Owner component that recognizes the proprietor by the AWS record's authoritative client ID. For directions on finding your sanctioned client id, see Finding an AWS Account Canonical User ID.
• The Grant component recognizes the grantee (either an AWS account or a predefined gathering) and the consent conceded. This default ACL has one Grant component for the proprietor.
• You award authorizations by including Grant components, with each award distinguishing the grantee and the consent.