Policy Evaluation Logic
Understand the detailed process AWS uses to evaluate access policies in Identity and Access Management. Learn how AWS processes identity-based and resource-based policies, permissions boundaries, and other rules to allow or deny resource access, ensuring secure and compliant cloud operations.
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Policy evaluation is a critical aspect of managing access to resources within the AWS environment. AWS employs a sophisticated policy evaluation process to determine whether to allow or deny requests for accessing resources based on the permissions defined in policies.
How policy evaluation works
The evaluation process begins with the request context, which includes information about the actions requested, the AWS resource involved, details about the principal making the request (such as associated policies), environmental data, and resource-specific data.
AWS evaluates policies in a specific order, starting with identity-based policies and progressing through resource-based policies, IAM permissions boundaries, and other policy types.
Let’s look at the common rules for the policy evaluation: ...