String host = "localhost";
if (args.length > 0) {
host = args[0];
}
Socket theSocket = null;
try {
InetAddress theAddress = InetAddress.getByName(host);
for (int i = 130; i < 140; i++) {
try {
theSocket = new Socket(host, i);
System.out.println("There is a server on port " + i + " of " + host);
System.out.println(theSocket);
theSocket.close();
}
catch (IOException e) {
// must not be a server on this port
try {
theSocket.close();
}
catch (Exception ex) {
System.err.println("close failure");
}
}
} // end for
} // end try
catch (UnknownHostException e) {
System.err.println(e);
}
