C#编程实现端口扫描代码示例

/// <summary>
        /// 扫描代理
        /// </summary>
        /// <param name="ScanList">IP范围</param>
        /// <returns></returns>
        public static void ScanPointList(List<string> ScanList)
        {
            int PointNumsCmd = 0;
            int PointNumsCmd2 = 0;
            
            for (int i = ScanListIdex; i < ScanList.Count; i++)
            {
                PointNumsCmd2 = 0;
                Process myProcess = new Process();
                myProcess.StartInfo.FileName = "cmd";//DOS控制平台
                myProcess.StartInfo.UseShellExecute = false;
                myProcess.StartInfo.CreateNoWindow = true;
                myProcess.StartInfo.RedirectStandardInput = true;
                myProcess.StartInfo.RedirectStandardOutput = true;
                myProcess.StartInfo.RedirectStandardError = true;
                myProcess.Start();
                StreamWriter sIn = myProcess.StandardInput;//标准输入流
                sIn.AutoFlush = true;
                StreamReader sOut = myProcess.StandardOutput;//标准输入流
                StreamReader sErr = myProcess.StandardError;//标准错误流
                string cmd = "s.exe syn " + ScanList[i] + " 6675" + (TxtThreadNum > 0 ? (" " + TxtThreadNum.ToString()) : "");//DOS控制平台上的命令
                //string cmd = "s.exe tcp 192.168.1.0 192.168.1.255 80 200";//DOS控制平台上的命令
                //string cmd = \"s tcp 192.168.1.1 192.168.1.255 80 100\";
                sIn.Write(cmd + System.Environment.NewLine);
                sIn.Write("exit" + System.Environment.NewLine);