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Status Submitted
Workspace API Connect
Created by Guest
Created on Dec 1, 2025

TLS Client profile should support chain building only requiring root certificates as suggested by amazon's best practices

IBM API Connect currently requires both root and intermediate certificates to be included in the TLS client profile truststore for successful server validation. This approach conflicts with Amazon Web Services (AWS) best practices for ACM (AWS Certificate Manager) certificates, which strongly recommend not pinning intermediate or leaf-level certificates because ACM dynamically rotates these certificates—even before their expiration—to maintain security and compliance. Pinning intermediates can lead to unexpected service outages during certificate rotations. Instead, AWS advises trusting only Amazon’s root CAs from the Amazon Trust Services repository and avoiding intermediate pinning for long-term stability. As more enterprise systems migrate or are developed on AWS, IBM API Connect must support proper validation aligned with these guidelines to ensure high availability and prevent downtime. For reference, see AWS ACM Best Practices and Certificate Pinning Guidance. [docs.aws.amazon.com], [repost.aws]

Idea priority High