static void Main(string[] args)
{
	//This code makes a single socket listen for IPv4 and IPv6 connections
	Socket sock = new Socket(AddressFamily.InterNetworkV6, SocketType.Stream, ProtocolType.Tcp);
	sock.SetSocketOption(SocketOptionLevel.IPv6, (SocketOptionName)27, 0);
	sock.Bind(new IPEndPoint(IPAddress.IPv6Any, 8000));
	sock.Listen(4);
	Socket client = sock.Accept();
	Console.WriteLine("Client has connected successfully with the server");
}