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Lukas
NA
2
1.9k
TcpListener: bypass port
Aug 21 2014 3:55 PM
Hey,
together with a friend I programmed a small Client/Listener. It is working fine on local network, but if I put one of this on a server (added my ip-address in the sourcecode) I can only message the server, but server messages don't reach me. Maybe it's because I have not forwarded any ports for my program at home (I cant open ports here). Games and other programs are working fine, so there must be a solution without opening ports on my router.
I would be thankful for any solution!
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Net.Sockets;
using System.Net;
namespace Senden
{
class Program
{
static void Main(string[] args)
{
int port = 1337;
string input;
Thread ServerThread = new Thread(new ThreadStart(thread));
ServerThread.Start();
while (true)
{
input = Console.ReadLine();
TcpClient client = new TcpClient("
MYIPISHERE
", port);
byte[] message = System.Text.Encoding.ASCII.GetBytes(input);
NetworkStream stream = client.GetStream();
stream.Write(message, 0, message.Length);
stream.Close();
client.Close();
}
}
static void thread()
{
int port = 1337;
TcpListener server = new TcpListener(IPAddress.Any, port);
server.Start();
byte[] bytes = new Byte[256];
while (true)
{
string message = "";
TcpClient client = server.AcceptTcpClient();
NetworkStream stream = client.GetStream();
int i;
while ((i = stream.Read(bytes, 0, bytes.Length)) != 0)
{
message = System.Text.Encoding.ASCII.GetString(bytes, 0, i);
}
Console.WriteLine(message);
}
}
}
}
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