就是用Socket.Connect连接IP地址的指定端口...捕捉Exception..
代码如下:
static void Main(string[] args)
{
IPAddress ip = IPAddress.Parse("127.0.0.1");
for (int i = 0; i < 1024 ;i++) {
try {
IPEndPoint point = new IPEndPoint(ip,i);
Socket sock = new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);
sock.Connect(point);
Console.WriteLine("连接端口{0}成功!",point);
}catch(SocketException e) {
if (e.ErrorCode != 10061) {
Console.WriteLine(e.Message);
}
Console.WriteLine("连接{0}失败", i);
}
}
}
