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Trusted Microsoft services not enabled

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Metadata

Id: ansible-azure-trusted-microsoft-services-not-enabled

Provider: Azure

Platform: Ansible

Severity: Medium

Category: Networking and Firewall

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Description

When a Storage Account’s network access is restricted (network_acls.default_action set to Deny), Trusted Microsoft Services must be allowed to bypass the network rules. This ensures platform features such as Azure Backup, diagnostics/monitoring, and replication can access the account. Without this bypass, backups, telemetry, and other managed operations can fail, impacting data protection and operational visibility.

In Ansible azure_rm_storageaccount or azure.azcollection.azure_rm_storageaccount resources, ensure the network_acls.bypass property includes the value AzureServices (it may be a comma-separated list, for example, AzureServices,Logging) whenever network_acls.default_action is Deny. Resources that omit network_acls.bypass or whose bypass value does not contain AzureServices are flagged.

Secure configuration example:

- name: Create storage account with AzureServices bypass
  azure_rm_storageaccount:
    resource_group: my-rg
    name: mystorageacct
    location: eastus
    account_type: Standard_LRS
    network_acls:
      default_action: Deny
      bypass: AzureServices

Compliant Code Examples

- name: configure firewall and virtual networks
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0002
    type: Standard_RAGRS
    network_acls:
      bypass: AzureServices,Metrics
      default_action: Deny
      virtual_network_rules:
      - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
        action: Allow
      ip_rules:
      - value: 1.2.3.4
        action: Allow
      - value: 123.234.123.0/24
        action: Allow
- name: configure firewall and virtual networks2
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0003
    type: Standard_RAGRS
    network_acls:
      default_action: Deny
      virtual_network_rules:
      - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
        action: Allow
      ip_rules:
      - value: 1.2.3.4
        action: Allow
      - value: 123.234.123.0/24
        action: Allow
- name: configure firewall and virtual networks3
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0004
    type: Standard_RAGRS
    network_acls:
      default_action: Deny
      bypass: AzureServices
      virtual_network_rules:
      - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
        action: Allow
      ip_rules:
      - value: 1.2.3.4
        action: Allow
      - value: 123.234.123.0/24
        action: Allow

Non-Compliant Code Examples

- name: configure firewall and virtual networks
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0002
    type: Standard_RAGRS
    network_acls:
      bypass: Metrics
      default_action: Deny
      virtual_network_rules:
        - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
          action: Allow
      ip_rules:
        - value: 1.2.3.4
          action: Allow
        - value: 123.234.123.0/24
          action: Allow
- name: configure firewall and virtual networks2
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0003
    type: Standard_RAGRS
    network_acls:
      default_action: Deny
      bypass: Metrics,Logging
      virtual_network_rules:
        - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
          action: Allow
      ip_rules:
        - value: 1.2.3.4
          action: Allow
        - value: 123.234.123.0/24
          action: Allow
- name: configure firewall and virtual networks3
  azure_rm_storageaccount:
    resource_group: myResourceGroup
    name: clh0004
    type: Standard_RAGRS
    network_acls:
      default_action: Deny
      bypass: ""
      virtual_network_rules:
        - id: /subscriptions/mySubscriptionId/resourceGroups/myResourceGroup/providers/Microsoft.Network/virtualNetworks/myVnet/subnets/mySubnet
          action: Allow
      ip_rules:
        - value: 1.2.3.4
          action: Allow
        - value: 123.234.123.0/24
          action: Allow