tcpipSocket/Socket/Server/Program.cs

using System.Net;
using System.Net.Sockets;

namespace Server;

internal class Program
{
	static void Main(string[] args)
	{
		Socket serverSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
		IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("127.0.0.1"), 20000);
		serverSocket.Bind(endPoint);

		serverSocket.Listen(20);

		//Socket clientSocket = serverSocket.Accept();

		//Console.WriteLine($"Connected. ({clientSocket.RemoteEndPoint})");
	}
}