Azure website message “You do not have permission to view this directory or page.”. What to do?

Question

After I published an ASP.NET Core app to Azure from Visual Studio 2017 I am getting this message when I click on the app url:

It was working fine before. Is

Answer 1

Some of the answers on here are more generalized, which I consider to be better overall, but if you are working with Azure Pipelines, I do know that a common scenario in deploying an Azure Web App is that the pipeline simply chooses the incorrect deployment method for the pipeline task. In most basic cases for an IIS web app, e.g. ASP.NET, you will want to use WebDeploy. Simply set the parameters below as such:

UseWebDeploy: true
DeploymentType: 'webDeploy'

See the task reference for more details: https://docs.microsoft.com/en-us/azure/devops/pipelines/tasks/deploy/azure-rm-web-app-deployment