title: ASP.NET Core Self Signed Certificate in Firefox not working
body: <p>I'm using the Self Signed Certificate in ASP.NET Core with is default on as noted in <a href="https://docs.microsoft.com/en-us/aspnet/core/security/enforcing-ssl#trust-ff" rel="noreferrer">this article</a>
  I have trusted it with the command <code>dotnet dev-certs https --trust</code></p>
  <p>In Chrome and Edge, my API is showing 'Connection secure' in green when calling it. However, in Mozilla Firefox (Quantum 61.0.1), it is giving 'Connection insecure' with the following error: <code>MOZILLA_PKIX_ERROR_SELF_SIGNED_CERT</code></p>
  <p>How can I solve this? How can I configure Firefox to allow Self Signed Certs? Or is this something I have to do in code?</p>