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IAM Roles Anywhere enables external applications and resources to securely access AWS services using X.509 certificates managed by a centralized Public Key Infrastructure (PKI).

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Overview

External servers, hybrid clouds, and non-AWS environments often require access to AWS resources without relying on long-lived credentials. IAM Roles Anywhere issues temporary AWS credentials by validating X.509 certificates against your PKI.
  • An ACM Private CA or an existing on-premises CA
  • X.509 certificates issued for your external systems
  • Appropriate IAM roles configured in AWS

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How IAM Roles Anywhere Works

  1. Establish your PKI
  2. Generate X.509 certificates for external workloads
  3. Register your Certificate Authority (CA) with IAM Roles Anywhere
  4. Request temporary AWS credentials by presenting a certificate
The image is a diagram illustrating how servers outside of AWS can access AWS resources using IAM Roles Anywhere and Public Key Infrastructure (PKI). It shows components like applications, hybrid cloud, and compute outside of AWS, connecting to AWS Cloud services.
When an external workload presents a valid certificate, IAM Roles Anywhere verifies it against your registered CA. Upon successful validation, it issues temporary AWS credentials scoped to an IAM role, granting secure and auditable access to AWS services.

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Key Steps

StepAction
1Create or import a root/subordinate CA in ACM PCA or on-premises
2Issue X.509 certificates to your servers and applications
3Register your CA with IAM Roles Anywhere via AWS Console or CLI
4Exchange a presented certificate for temporary AWS credentials
Always store private keys in a secure hardware module or key management system. Do not embed certificates or keys directly in application code.

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Benefits of IAM Roles Anywhere

The image is an infographic highlighting the benefits of "IAM Anywhere" for customers, including centralized access management, improved security, and simplified access.
BenefitDescription
Centralized Access ManagementControl AWS and external permissions from a unified console
Enhanced SecurityUtilize short-lived X.509 certificates and temporary AWS credentials
Simplified ProvisioningEliminate hard-coded secrets and automate certificate rotation
Integration FlexibilityLeverage existing PKI systems and customize authentication workflows

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Get Started

  1. Configure your PKI in AWS ACM PCA or on-premises.
  2. Issue and distribute X.509 certificates.
  3. Register the CA with IAM Roles Anywhere.
  4. Implement AWS SDK or CLI calls to request credentials.
For complete setup instructions, see the AWS IAM Roles Anywhere User Guide.

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References

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