API Management should disable public network access

High Azure General service-no-public-access

Applies to

Microsoft.ApiManagement/service

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: API Management > Networking > set Public network access to Disabled. See: https://learn.microsoft.com/en-us/azure/api-management/virtual-network-concepts

Careful: Disabling public access blocks ALL external API calls not using private endpoints

CLI

az apim update --ids "{id}" --public-network-access false

Terraform

resource "azurerm_api_management" "{name}" {
  name                          = "{name}"
  resource_group_name           = "{rg}"
  location                      = var.location
  publisher_name                = "My Company"
  publisher_email               = "admin@example.com"
  sku_name                      = "Premium_1"
  public_network_access_enabled = false
}

Compliance frameworks

Cloud Security BaselineNS-2

Vendor documentation

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