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using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
class MainClass
{
public static void Main()
{
IPEndPoint ip = new IPEndPoint(IPAddress.Any,9999);
Socket socket = new Socket(AddressFamily.InterNetwork,SocketType.Stream, ProtocolType.Tcp);
socket.Bind(ip);
socket.Listen(10);
Console.WriteLine("Waiting for a client...");
Socket client = socket.Accept();
IPEndPoint clientep =(IPEndPoint)client.RemoteEndPoint;
Console.WriteLine("Connected with {0} at port {1}",clientep.Address, clientep.Port);
string welcome = "Welcome";
byte[] data = new byte[1024];
data = Encoding.ASCII.GetBytes(welcome);
client.Send(data, data.Length,SocketFlags.None);
Console.WriteLine("Disconnected from {0}",clientep.Address);
client.Close();
socket.Close();
}
}
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