HTTPs Client to connect to server without trusted chain (non trusted CA) on Azure Web App

Question

I have been stuck for around 3 days trying to connect to a server that has a certificate which hasn\'t been signed by a trusted CA - you can add the CA\'s certificate through Az

Answer 1

What about hardcode returning true in your custom callback like this?

 public string Ssl()
    {
        try
        {
            ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
            using (var wc = new WebClient())
            {
                var res = wc.DownloadString("https://untrusted-root.badssl.com/");
                Console.WriteLine(res);
                return res;
            }
        }
        catch (Exception ex)
        {
            return ex.ToString();
        }
    }