//引入命名空间
using (ServiceHost serviceHost = new ServiceHost(typeof(CalculatorService)))
{
    serviceHost.Open();
    ServiceEndpointCollection endpoints = serviceHost.Description.Endpoints;
    ServiceEndpoint endpoint = endpoints.Find(typeof(ICalculator));

    NetTcpBinding binding = (NetTcpBinding) endpoint.Binding;

    NetTcpSecurity security = binding.Security;
    MessageSecurityOverTcp msTcp = security.Message;

    Console.WriteLine("Dumping NetTcpSecurity object:");
    Console.WriteLine("\tMessageSecurityOverTcp:");
    Console.WriteLine("\t\tAlgorithm Suite: {0}", msTcp.AlgorithmSuite);
    Console.WriteLine("\t\tClient Credential Type: {0}", msTcp.ClientCredentialType);

    Console.WriteLine("\tSecurity Mode: {0}", security.Mode);

    TcpTransportSecurity tsTcp = security.Transport;
    Console.WriteLine("\tTcpTransportSecurity:");
    Console.WriteLine("\t\tClient Credential Type: {0}", tsTcp.ClientCredentialType);
    Console.WriteLine("\t\tProtectionLevel: {0}", tsTcp.ProtectionLevel);

    // The service can now be accessed.
    Console.WriteLine("The service is ready.");
    Console.WriteLine("Press <ENTER> to terminate service.");
    Console.WriteLine();
    Console.ReadLine();
}