How u do install server side application signalr

See more:

server

C#5.0

SignalR

Hi I wrote a program signalr technology ( Windows Application)
How is server-side configuration؟
When I run both programs on a computer No Problom.
But When I Run Server On Other Computer And When I Want Connect the client to the server ، I Cant
Error : one or more errors occurred

My Server Side Code ===> Server Computer Ip = 192.168.1.20

[HubName("ZankuHub")]
   public class SignalrHub : Hub
   {



       public  void DetermineLength(CSenfFormat message)
       {
           string jsonString = Newtonsoft.Json.JsonConvert.SerializeObject(message);
         Clients.All.ReceiveLength(jsonString);

       }
   }

-------------------------------------------

class Startup
   {
       public void Configuration(IAppBuilder app)
       {
           app.UseCors(CorsOptions.AllowAll);
           app.MapSignalR();
       }
   }

-----------------------------------

string url = @"http://localhost:8088/";
              WebApp.Start<Startup>(url);

----------------------------------------------------------------
client Side Code

IHubProxy _hub;
           string url = @"http://192.168.1.20:8088/";
           var connection = new HubConnection(url);
           _hub = connection.CreateHubProxy("ZankuHub");
           connection.Start().Wait();

           _hub.On("ReceiveLength", x => Console.WriteLine(x));

------------------------------------------------------------------------------
FireWall In Both Side Is Off

????

What I have tried:

Turn Off FireWall
????????????????
??????????/