Merge pull request #91123 from kgremban/oct9-40096

Add link to ACR firewall rules

Author: PRMerger9

articles/iot-edge/production-checklist.md

@@ -172,10 +172,12 @@ This checklist is a starting point for firewall rules:
    | mcr.microsoft.com  | 443 | Microsoft container registry |
    | global.azure-devices-provisioning.net  | 443 | DPS access (optional) |
    | \*.azurecr.io | 443 | Personal and third-party container registries |
-   | \*.blob.core.windows.net | 443 | Download of image deltas | 
+   | \*.blob.core.windows.net | 443 | Download Azure Container Registry image deltas from blob storage  | 
    | \*.azure-devices.net | 5671, 8883, 443 | IoT Hub access |
    | \*.docker.io  | 443 | Docker Hub access (optional) |
 
+Some of these firewall rules are inherited from Azure Container Registry. For more information, see [Configure rules to access an Azure container registry behind a firewall](../container-registry/container-registry-firewall-access-rules.md).
+
 ### Configure communication through a proxy
 
 If your devices are going to be deployed on a network that uses a proxy server, they need to be able to communicate through the proxy to reach IoT Hub and container registries. For more information, see [Configure an IoT Edge device to communicate through a proxy server](how-to-configure-proxy-support.md).