Azure Container Registry Webhook to App Service 401

Question

I have an Azure App Service that pulls a container image from an Azure Container Registry (ACR) when the App Service starts. I'm trying to have an ACR Webhook notify the App Service that a new container is available and to restart automatically. However, while the Webhook runs fine from an ADO pipeline, I get a "401 Unauthorized" error.

From the App Service, I've turned on "Continuous Deployment" and copied the Webhook URL to the Service URI in the ACR Webhook:

The App Service has "AcrPull" permissions on the Container Registry:

Even running a Ping on the Webhook results in a 401 with this configuration:

What am I missing? I don't see anything in particular that I've skipped in the Microsoft documentation.

Answer 1

@oystehei answer is correct, you can enable basic auth from UI from configuration menu