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AWS neptune documentation change

Service: neptune · 2026-03-13 · Documentation medium

File: neptune/latest/userguide/access-graph-gremlin-dotnet.md

Summary

Added a new section 'IAM authentication' explaining how to use IAM authentication with .NET client for Neptune DB clusters.

Security assessment

The change adds documentation about IAM authentication for .NET clients, which is a security feature for access control. It provides guidance on using Signature Version 4 signing. This is an addition to security documentation, not a fix for a security vulnerability.

Diff

diff --git a/neptune/latest/userguide/access-graph-gremlin-dotnet.md b/neptune/latest/userguide/access-graph-gremlin-dotnet.md
index 9defec662..bc09e9863 100644
--- a//neptune/latest/userguide/access-graph-gremlin-dotnet.md
+++ b//neptune/latest/userguide/access-graph-gremlin-dotnet.md
@@ -4,0 +5,2 @@
+IAM authentication
+
@@ -104,0 +107,4 @@ The preceding example returns a list by using the `g.V().Limit(3).ToList()` trav
+## IAM authentication
+
+Neptune supports [IAM authentication](./iam-auth-enable.html) to control access to your DB cluster. If you have IAM authentication enabled, you need to use Signature Version 4 signing to authenticate your requests. For detailed instructions and code examples for connecting from a .NET client, see [Connecting to Amazon Neptune databases using IAM authentication with Gremlin .NET](./gremlin-dotnet-iam-auth.html).
+