Azure Firewall should use Standard or Premium tier

High Azure General firewall-azure-firewall-standard-premium

Azure Firewall Standard/Premium provides network and application-level protection at the edge

Applies to

Microsoft.Network/azureFirewalls

What CGPulse checks

A resource passes this rule when sku.tier must be one of ["Standard","Premium"]. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Deploy Azure Firewall with Standard or Premium tier to enable advanced threat protection. In Azure Portal: Azure Firewall > Overview > verify SKU is Standard or Premium. See: https://learn.microsoft.com/en-us/azure/firewall/choose-firewall-sku

CLI

az network firewall show --ids "{id}" --query "sku.tier" -o tsv

Terraform

resource "azurerm_firewall" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  sku_name            = "AZFW_VNet"
  sku_tier            = "Standard"
  zones               = ["1", "2", "3"]
  ip_configuration {
    name                 = "configuration"
    subnet_id            = var.subnet_id
    public_ip_address_id = "<public-ip-id>"
  }
}

Compliance frameworks

Cloud Security BaselineNS-3

Vendor documentation

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