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AWS AmazonRDS documentation change

Service: AmazonRDS · 2025-05-16 · Documentation low

File: AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.IAMDBAuth.md

Summary

Added note that IAM DB authentication is unsupported for RDS on Outposts

Security assessment

The change clarifies a limitation of IAM DB authentication (a security feature) for Outposts. This is a documentation update about security feature availability, not a fix for a vulnerability.

Diff

diff --git a/AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.IAMDBAuth.md b/AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.IAMDBAuth.md
index 5fe9e16c2..b6b9a4005 100644
--- a//AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.IAMDBAuth.md
+++ b//AmazonRDS/latest/AuroraUserGuide/UsingWithRDS.IAMDBAuth.md
@@ -92 +92 @@ For more information about global condition context keys, see [AWS global condit
-  * IAM DB authorization requires compute resources on the database cluster. You must have between 300 and 1000 MiB extra memory on your database for reliable connectivity. To see the memory needed for your workload, compare the RES column for RDS processes in the Enhanced Monitoring processlist before and after enabling IAM DB authentication. See [Viewing OS metrics in the RDS console](./USER_Monitoring.OS.Viewing.html).
+  * IAM DB authentication requires compute resources on the database cluster. You must have between 300 and 1000 MiB extra memory on your database for reliable connectivity. To see the memory needed for your workload, compare the RES column for RDS processes in the Enhanced Monitoring processlist before and after enabling IAM DB authentication. See [Viewing OS metrics in the RDS console](./USER_Monitoring.OS.Viewing.html).
@@ -97,0 +98,2 @@ If you are using a burstable class instance, avoid running out of memory by redu
+  * IAM DB authentication is not supported for RDS on Outposts for any engine.
+