Unet & Mono.Nat

Question

Personally, I can't stand cloud hosted servers that I don't get to set up myself. Due to this, I didn't want to use Unity Multiplayer but I liked the ease of use of Unet. Due to this I did a bunch of reading on how I could get around it.

In the end I found this forum post: Forum Post

Which offered an interesting solution, To use Mono.NAT to preform a nat punch through on a lan game and then set up a custom server list. Now the tutorials linked on how to set up mono.NAT are very straight forward but I am unsure as to where abouts I need to put the code?

I assume its somewhere in the network manager script but I don't know where exactly.

Any help is greatly appreciated.

Signed, Vandie

Answer 1

Best Answer

Answer by Vandie_Studios · Sep 01, 2015 at 05:34 PM

Ok turns out that all I had to do was create a new c# file that was purely the following code:

 using Mono.Nat;
 public class punchthrough {
 
     public punchthrough(){
         NatUtility.DeviceFound += DeviceFound;
         NatUtility.DeviceLost += DeviceLost;
         NatUtility.StartDiscovery ();
     }
 
     private void DeviceFound(object sender, DeviceEventArgs args)
     {
         INatDevice device = args.Device;
         device.CreatePortMap(new Mapping(Protocol.Tcp, 2033, 2033));
         // on device found code
     }
     
     private void DeviceLost(object sender, DeviceEventArgs args)
     {
         INatDevice device = args.Device;
         device.DeletePortMap(new Mapping(Protocol.Tcp, 2033, 2033));
         // on device disconnect code
     }
 }

I sent the file to a few others and it appears to punch through fine on port 2033

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Answer 2

Answer by TwistedSage · Mar 06, 2016 at 02:44 PM

Hi. I just startet to look into Mono.NAT.

Once the port map is done, do I host the server on the internal IP (I create the port mapping like this: device.CreatePortMap(new Mapping(Protocol.Tcp, 25000, 25000));) (or just 127.0.0.1) and then tell people to connect through the IP I get from device.GetExternalIP().ToString()?

Thanks in advance :)

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Unet & Mono.Nat

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