Bastion Host should use Standard SKU

High Azure General bastionhosts-bastion-host-standard-sku

Applies to

Microsoft.Network/bastionHosts

What CGPulse checks

A resource passes this rule when sku.name must equal Standard. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Upgrade to Standard SKU for zone redundancy and advanced security features. In Azure Portal: Bastion > Configuration > upgrade to Standard. See: https://learn.microsoft.com/en-us/azure/bastion/configuration-settings#skus

CLI

az network bastion update --ids "{id}" --sku Standard

Bicep

resource bastion 'Microsoft.Network/bastionHosts@2024-01-01' = {{
  name: '{name}'
  location: location
  sku: {{
    name: 'Standard'
  }}
  properties: {{
    ipConfigurations: [{{
      name: 'IpConf'
      properties: {{
        subnet: {{ id: subnetId }}
        publicIPAddress: {{ id: '<pip-id>' }}
      }}
    }}]
  }}
}}

Terraform

resource "azurerm_bastion_host" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  sku                 = "Standard"

  ip_configuration {
    name                 = "IpConf"
    subnet_id            = var.subnet_id
    public_ip_address_id = "<pip-id>"
  }
}

Compliance frameworks

Cloud Security: Azure Foundations

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