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IAM Identity Center now supports IPv6

ID: ec71b833-f947-5453-bbb2-3dff10cdb652

STIX ID: report--ec71b833-f947-5453-bbb2-3dff10cdb652

Feed Name: AWS Security Blog

Date Published: 2026-01-26

Date Updated: 2026-04-27

Author: Suchintya Dandapat

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AWS announced IPv6 support for IAM Identity Center through new dual-stack endpoints that work with both IPv4 and IPv6, providing guidance to update external IdP SAML/SCIM settings, transition workforce to new access portal and service URLs (app.aws, api.aws), and monitor adoption via CloudTrail’s clientProvidedHostHeader; existing IPv4 endpoints continue to function to support a phased transition.

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