App Configuration should disable public network access

High Azure General appconfig-no-public-access

Applies to

Microsoft.AppConfiguration/configurationStores

What CGPulse checks

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

How to fix it

Disable public network access to prevent unauthorized internet exposure. In Azure Portal: App Configuration > Networking > set Public network access to Disabled. See: https://learn.microsoft.com/en-us/azure/azure-app-configuration/howto-disable-public-access

Careful: Disabling public access blocks all non-private-endpoint traffic. Ensure private endpoints are configured before applying

CLI

az appconfig update --ids "{id}" --enable-public-network false

Terraform

resource "azurerm_app_configuration" "{name}" {
  name                       = "{name}"
  resource_group_name        = "{rg}"
  location                   = var.location
  sku                        = "standard"
  public_network_access      = "Disabled"
}

Compliance frameworks

Cloud Security: Azure Foundations

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