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AWS AmazonECS documentation change

Service: AmazonECS · 2025-08-22 · Documentation low

File: AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md

Summary

Made test listener required and updated parameter names (ListenerArn → ListenerRule)

Security assessment

Operational improvement to enforce testing workflows, but no security controls or vulnerabilities addressed.

Diff

diff --git a/AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md b/AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
index 0d1cbb419..ac2950293 100644
--- a//AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
+++ b//AmazonECS/latest/developerguide/nlb-resources-for-blue-green.md
@@ -131 +131 @@ For blue/green deployments with a Network Load Balancer, you need to configure l
-  * Test listener (optional): Handles test traffic to validate the green service revision before shifting production traffic
+  * Test listener (required): Handles test traffic to validate the green service revision before shifting production traffic
@@ -173 +173 @@ The key components in this configuration are:
-  * `productionListenerArn`: The ARN of the listener for production traffic
+  * `productionListenerRule`: The ARN of the listener for production traffic
@@ -175 +175 @@ The key components in this configuration are:
-  * `testListenerArn`: (Optional) The ARN of the listener for test traffic
+  * `testListenerRule`: (Optional) The ARN of the listener for test traffic
@@ -195,2 +195,2 @@ The key components in this configuration are:
-                    "productionListenerArn": "arn:aws:elasticloadbalancing:region:123456789012:listener/net/my-network-lb/1234567890123456/1234567890123456",
-                    "testListenerArn": "arn:aws:elasticloadbalancing:region:123456789012:listener/net/my-network-lb/1234567890123456/2345678901234567",
+                    "productionListenerRule": "arn:aws:elasticloadbalancing:region:123456789012:listener/net/my-network-lb/1234567890123456/1234567890123456",
+                    "testListenerRule": "arn:aws:elasticloadbalancing:region:123456789012:listener/net/my-network-lb/1234567890123456/2345678901234567",