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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-07-16 · Documentation medium

File: AWSCloudFormation/latest/TemplateReference/aws-properties-mediapackagev2-originendpoint-hlsmanifestconfiguration.md

Summary

Added documentation for filter configuration, EXT-X-START tag usage, and SigV4 compliance for HLS manifests

Security assessment

The change explicitly documents enabling URL-encoding for SigV4 compliance, which is a security feature for API request signing. No specific vulnerability is addressed.

Diff

diff --git a/AWSCloudFormation/latest/TemplateReference/aws-properties-mediapackagev2-originendpoint-hlsmanifestconfiguration.md b/AWSCloudFormation/latest/TemplateReference/aws-properties-mediapackagev2-originendpoint-hlsmanifestconfiguration.md
index f328517da..ad1ea6386 100644
--- a//AWSCloudFormation/latest/TemplateReference/aws-properties-mediapackagev2-originendpoint-hlsmanifestconfiguration.md
+++ b//AWSCloudFormation/latest/TemplateReference/aws-properties-mediapackagev2-originendpoint-hlsmanifestconfiguration.md
@@ -70 +70 @@ _Minimum_ : `1`
-Property description not available.
+Filter configuration includes settings for manifest filtering, start and end times, and time delay that apply to all of your egress requests for this manifest. 
@@ -131 +131 @@ _Required_ : No
-Property description not available.
+To insert an EXT-X-START tag in your HLS playlist, specify a StartTag configuration object with a valid TimeOffset. When you do, you can also optionally specify whether to include a PRECISE value in the EXT-X-START tag.
@@ -153 +153 @@ _Required_ : No
-Property description not available.
+When enabled, MediaPackage URL-encodes the query string for API requests for HLS child manifests to comply with AWS Signature Version 4 (SigV4) signature signing protocol. For more information, see [AWS Signature Version 4 for API requests](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_sigv.html) in _AWS Identity and Access Management User Guide_.