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Cloud Computing · Intermediate

AWS Certificate Manager (ACM)

AWS service that provisions, manages and automatically renews SSL/TLS certificates for AWS integrated services.

Definition

ACM issues public certificates at no charge for use with integrated services such as Elastic Load Balancing, CloudFront and API Gateway, validates domains through DNS or email and renews them automatically. AWS Private CA provides private certificates for internal resources.

Example

An ALB HTTPS listener uses an ACM certificate for www.example.com validated through a Route 53 DNS record.

Exam tip

Certificates for CloudFront must be requested in us-east-1; DNS validation enables automatic renewal.

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