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When to Use Access Control
You have a great deal of flexibility in how you grant or deny access to a resource. However, the typical use cases are fairly simple:
You want to grant another AWS account a particular type of access to your queue (e.g., SendMessage). For more information, see Use Case 1.
You want to grant another AWS account access to your queue for a specific period of time. For more information, see Use Case 2.
You want to grant another AWS account access to your queue only if the requests come from your EC2 instances. For more information, see Use Case 3.
You want to deny another AWS account access to your queue. For more information, see Use Case 4.
