App Service mutual TLS is disabled Affecting App Service (Web Apps) service in Azure
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
IAM/ Authentication
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CIS-AzureCIS-ControlsCSA-CCMSOC-2
- Snyk IDSNYK-CC-00491
- creditSnyk Research Team
Description
Client certificates allow for the app to request a certificate for incoming requests. Only clients that have a valid certificate will be able to reach the app.
How to fix?
Set properties.clientCertEnabled attribute to true.
Set the client_cert_enabled attribute to true.
Example configuration:
resource "azurerm_app_service" "app_service_with_client_cert" {
name = "app-service-with-auth"
location = azurerm_resource_group.main.location
resource_group_name = azurerm_resource_group.main.name
app_service_plan_id = azurerm_app_service_plan.app_service_plan1.id
client_cert_enabled = true
}