Opc.Ua.Client.Session.CheckCertificateDomain C# (CSharp) Method

        private static void CheckCertificateDomain(ConfiguredEndpoint endpoint)
        {
            bool domainFound = false;

            X509Certificate2 serverCertificate = new X509Certificate2(endpoint.Description.ServerCertificate);

            // check the certificate domains.
            IList<string> domains = Utils.GetDomainsFromCertficate(serverCertificate);

            if (domains != null)
            {
                string hostname = endpoint.EndpointUrl.DnsSafeHost;

                if (hostname == "localhost" || hostname == "127.0.0.1")
                {
                    hostname = System.Net.Dns.GetHostName();
                }

                for (int ii = 0; ii < domains.Count; ii++)
                {
                    if (String.Compare(hostname, domains[ii], StringComparison.InvariantCultureIgnoreCase) == 0)
                    {
                        domainFound = true;
                        break;
                    }
                }
            }

            if (!domainFound)
            {
                throw new ServiceResultException(StatusCodes.BadCertificateHostNameInvalid);
            }
        }