Logic App should restrict trigger access

Medium Azure General workflows-logic-app-restrict-trigger

Applies to

Microsoft.Logic/workflows

What CGPulse checks

A resource passes this rule when accessControl must be set true. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Configure access control to restrict who can trigger the Logic App workflow. In Azure Portal: Logic App > Settings > Access control (Preview) > restrict trigger access. See: https://learn.microsoft.com/en-us/azure/logic-apps/logic-apps-securing-a-logic-app

CLI

az resource update --ids "{id}" --set properties.accessControl.triggers.allowedCallerIpAddresses=[{{"addressRange":"<cidr>"}}]

Terraform

resource "azurerm_logic_app_workflow" "{name}" {
  name                = "{name}"
  resource_group_name = "{rg}"
  location            = var.location
  access_control {
    trigger {
      allowed_caller_ip_address_range = ["<allowed-cidr>"]
    }
  }
}

Compliance frameworks

Cloud Security: Azure Foundations

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