Set web.config for letsencrypt - Certify with Asp.NET Core and Angular 2 (Javascript-services)

Question

I am trying to install letsencrypt certificate with Certify, but I get error, which (I think) has nothing to do with Certify. Problem is how my web.config is configured for

Answer 1

The problem I ran into with the default web.config in the acme-challenge folder was that the applicationhost.config contained:

The handlers section in the acme-challenge web.config therefore was not allowed with the result that the challenge failed. In this case the solutions were: Change applicationhost.config line to:

Or ... Remove the handlers setting from the web.config in acme-challenge folder.