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AWS AmazonRDS documentation change

Service: AmazonRDS · 2025-05-10 · Documentation low

File: AmazonRDS/latest/UserGuide/postgresql-kerberos-connecting.md

Summary

Added note about Kerberos library dependencies for GSSAPI authentication and encryption

Security assessment

The note documents security-related implementation details (Kerberos authentication mechanisms) but does not address a specific security vulnerability.

Diff

diff --git a/AmazonRDS/latest/UserGuide/postgresql-kerberos-connecting.md b/AmazonRDS/latest/UserGuide/postgresql-kerberos-connecting.md
index 5ebb43080..6d352d80f 100644
--- a//AmazonRDS/latest/UserGuide/postgresql-kerberos-connecting.md
+++ b//AmazonRDS/latest/UserGuide/postgresql-kerberos-connecting.md
@@ -8,0 +9,4 @@ You can connect to PostgreSQL with Kerberos authentication with the pgAdmin inte
+###### Note
+
+GSSAPI authentication and encryption in PostgreSQL are implemented by the Kerberos library `libkrb5.so`. Features such as `postgres_fdw` and `dblink` also rely on this same library for outbound connections with Kerberos authentication or encryption.
+