add port info

e-n-0 · e-n-0 · commit 93dc471ace40 · 2025-04-02T16:34:35.000+02:00
diff --git a/content/en/security/application_security/threats/setup/threat_detection/gcp-service-extensions.md b/content/en/security/application_security/threats/setup/threat_detection/gcp-service-extensions.md
@@ -50,11 +50,16 @@ and [create a Service Extension as a traffic extension][5].
 
 To integrate a Service Extension with ASM using the Google Cloud Console, complete the following steps:
 
-  1. **Create a VM Compute instance** using the Datadog Service Extensions Docker image. The image is available on the [Datadog Go tracer GitHub Registry][1].
+  1. **Create a VM Compute instance** using the Datadog ASM Service Extensions Docker image. The image is available on the [Datadog Go tracer GitHub Registry][1].
 
-    See the [Configuration](#configuration) section below for available environment variables when setting up your VM instance.
+  See the [Configuration](#configuration) section below for available environment variables when setting up your VM instance.
+
+  <div class="alert alert-info">
+    <strong>Note:</strong> Be sure to update accordingly your Firewall rules to allow the Load Balancer to communicate with the Callout VM instance. The same also applies to the Datadog Agent.
+  </div>
 
   2. **Add the VM to an unmanaged instance group**
+
     Specify `http:80` and `grpc:443` (or your configured values) for the port mappings of the instance group.
 
   3. **Create a backend service and add your instance group**
@@ -73,6 +78,8 @@ To integrate a Service Extension with ASM using the Google Cloud Console, comple
       2. Select your load balancer type
       3. Select `Traffic extensions` as the type
       4. Select your forwarding rules
+
+
     <br>
     
   5. **Create an Extension Chain**
@@ -107,7 +114,7 @@ You can use Terraform to automate the deployment of the ASM GCP Service Extensio
 You can import the following module to your project. It's installing a the service extension on a **Global External Load Balancer**:
 
 ```bash
-mkdir gcp-asm-service-extension
+mkdir gcp-asm-service-extension && cd gcp-asm-service-extension
 touch main.tf variables.tf
 ```
 
