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AWS vpc documentation change

Service: vpc · 2026-04-10 · Documentation low

File: vpc/latest/userguide/nat-gateways-regional.md

Summary

Added an important note clarifying that regional NAT gateways support AWS Transit Gateway as a valid route but do not support private NAT, recommending zonal NAT gateways for private NAT

Security assessment

This is a feature capability clarification and operational guidance. There is no mention of security vulnerabilities, incidents, or security features. The change helps users understand limitations and choose appropriate NAT gateway types.

Diff

diff --git a/vpc/latest/userguide/nat-gateways-regional.md b/vpc/latest/userguide/nat-gateways-regional.md
index 44bacc94c..978b33434 100644
--- a//vpc/latest/userguide/nat-gateways-regional.md
+++ b//vpc/latest/userguide/nat-gateways-regional.md
@@ -50,0 +51,4 @@ Regional NAT gateways support two modes:
+###### Important
+
+Regional NAT gateways support AWS Transit Gateway as a valid route in the regional NAT gateway route table. Regional NAT gateways do not support private NAT. If you need private NAT, use zonal NAT gateways instead.
+