AWS transfer documentation change

Service: transfer · 2025-04-01 · Documentation low

File: transfer/latest/userguide/as2-example-tutorial.md

Summary

Added clarification about certificate chain formatting in PEM standards

Security assessment

Clarifies secure certificate handling practices but does not address a specific vulnerability.

Diff

diff --git a/transfer/latest/userguide/as2-example-tutorial.md b/transfer/latest/userguide/as2-example-tutorial.md
index 90bbbfb58..044fc5a40 100644
--- a/transfer/latest/userguide/as2-example-tutorial.md
+++ b/transfer/latest/userguide/as2-example-tutorial.md
@@ -176,0 +177,2 @@ If you use the `certificate` parameter to upload both the certificate and its ch
+If you combine the certificate and its chain, your key is formatted using conventional PEM standards, which includes a newline “\n” every 64 characters. The certificate that is stored is functionally equivalent to the one you uploaded, with the sole difference that the `DescribeCertificate` response via the AWS CLI will contain these newline characters.
+