public static void deleteFirewall(string appPath)
        {
            StringBuilder strCMD  = new StringBuilder();
            string        appName = ToolForUrl.getDirEndName(appPath, true);

            strCMD.AppendFormat("netsh advfirewall firewall delete rule name=\"{0}\" program=\"{1}\"",
                                appName, appPath);
            cmd(strCMD.ToString(), true);
        }
        public static void addFirewall(string appPath)
        {
            StringBuilder strCMD  = new StringBuilder();
            string        appName = ToolForUrl.getDirEndName(appPath, true);

            strCMD.AppendFormat("/netsh advfirewall firewall add rule name=\"{0}\" dir=in action=allow program=\"{1}\" enable=yes",
                                appName, appPath);
            cmd(strCMD.ToString(), true);
        }