public class Service2 : IService2

    {

        public User  DoWork()

        {

            Console.WriteLine(ClientIpAndPort());

            return new User { Name = "sdf", Age =  };

        }

        public string ClientIpAndPort()

        {

            OperationContext context = OperationContext.Current;

            MessageProperties properties = context.IncomingMessageProperties;

            RemoteEndpointMessageProperty endpoint = properties[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;

            return endpoint.Address+"port"+endpoint.Port;

        }

    }