Merge pull request #225288 from alt-key/patch-1

Update network-requirements.md

Author: prmerger-automator[bot]

articles/azure-arc/resource-bridge/includes/network-requirements.md

@@ -18,7 +18,7 @@ The firewall and proxy URLs below must be allowlisted in order to enable communi
 |Resource bridge (appliance) Dataplane service| 443 | `https://*.dp.prod.appliances.azure.com`| Appliance VM IP and Control Plane IP need outbound connection. | Communicate with resource provider in Azure.|
 |Resource bridge (appliance) container image download| 443 | `*.blob.core.windows.net, https://ecpacr.azurecr.io`| Appliance VM IP and Control Plane IP need outbound connection. | Required to pull container images. |
 |Resource bridge (appliance) image download| 80 | `msk8s.b.tlu.dl.delivery.mp.microsoft.com`| Management machine,  Appliance VM IP and Control Plane IP need outbound connection. |  Download the Arc Resource Bridge OS images.  |
-|Resource bridge (appliance) image download| 443 | `msk8s.sf.tlu.dl.delivery.mp.microsoft.com`| Management machine,  Appliance VM IP and Control Plane IP need outbound connection. |  Download the Arc Resource Bridge OS images.  |
+|Resource bridge (appliance) image download| 443 | `msk8s.sb.tlu.dl.delivery.mp.microsoft.com`| Management machine,  Appliance VM IP and Control Plane IP need outbound connection. |  Download the Arc Resource Bridge OS images.  |
 |Azure Arc for Kubernetes container image download| 443 | `https://azurearcfork8sdev.azurecr.io`|  Appliance VM IP and Control Plane IP need outbound connection. | Required to pull container images. |
 |ADHS telemetry service | 443 | `adhs.events.data.microsoft.com`| Appliance VM IP and Control Plane IP need outbound connection. | Runs inside the appliance/mariner OS. Used periodically to send Microsoft required diagnostic data from control plane nodes. Used when telemetry is coming off Mariner, which would mean any Kubernetes control plane. |
 |Microsoft events data service | 443 |`v20.events.data.microsoft.com`| Appliance VM IP and Control Plane IP need outbound connection. | Used periodically to send Microsoft required diagnostic data from the Azure Stack HCI or Windows Server host. Used when telemetry is coming off Windows like Windows Server or HCI. |