AWS Private CA & ACM: Certificate Management for Developers

Описание: This video provides a clear and concise explanation of the differences between AWS Certificate Manager (ACM) and AWS Private Certificate Authority (Private CA), specifically tailored for those preparing for the AWS Developer Associate exam.

In this video, we cover:
Securing Public Apps: Learn how to use ACM for free, auto-renewing public certificates for services like Application Load Balancers (ALB) and API Gateways.

Proving Domain Ownership: Understand the two methods for domain validation: DNS and Email. We explain why DNS validation is the preferred choice for set-it-and-forget-it automation.

Certificates Beyond AWS: Can you use ACM certificates on your own on-premises servers or EC2 instances? We discuss how to request and use exportable public certificates.

Securing Microservices: When to move beyond ACM. We explore why AWS Private CA is essential for internal mutual TLS (mTLS) between microservices within a VPC.

Automating Renewals: Discover the critical importance of auto-renewals to avoid catastrophic application outages and the specific 45-day warning window for email validation.

The #1 Exam Question: We share a simple mental shortcut to help you correctly identify whether to use ACM or Private CA in any exam scenario.

Key Takeaway:

ACM = Public Trust (Websites, Public APIs)

Private CA = Private Trust (Internal Microservices, IoT, VPNs)

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