public static void Main()
{
    // Get base address from appsettings in configuration.
    Uri baseAddress = new Uri(ConfigurationManager.
        AppSettings["baseAddress"]);

    // Create a ServiceHost for the CalculatorService type 
    // and provide the base address.
    using (ServiceHost serviceHost = new 
        ServiceHost(typeof(CalculatorService), baseAddress))
    {
        // Create a new auditing behavior and set the log location.
        ServiceSecurityAuditBehavior newAudit = 
            new ServiceSecurityAuditBehavior();
        newAudit.AuditLogLocation = 
            AuditLogLocation.Application;
        newAudit.MessageAuthenticationAuditLevel = 
            AuditLevel.SuccessOrFailure;
        newAudit.ServiceAuthorizationAuditLevel = 
            AuditLevel.SuccessOrFailure;
        newAudit.SuppressAuditFailure = false;
        // Remove the old behavior and add the new.
        serviceHost.Description.
            Behaviors.Remove<ServiceSecurityAuditBehavior>();
        serviceHost.Description.Behaviors.Add(newAudit);
        // Open the ServiceHostBase to create listeners 
        // and start listening for messages.
        serviceHost.Open();

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

        // Close the ServiceHostBase to shutdown the service.
        serviceHost.Close();
    }
}