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import java.net.*;
import java.io.*;
public class lookForPorts2 {
public static void main(String[] args) {
Socket theSocket;
String host = "localhost";
if (args.length > 0) {
host = args[0];
}
try {
InetAddress theAddress = InetAddress.getByName(host);
for (int i = 1024; i < 65536; i++) {
try {
System.out.println("Looking for port "+ i);
theSocket = new Socket(theAddress, i);
System.out.println("There is a server on port " + i + " of " + host);
} catch (IOException e) {
// must not be a server on this port
}
}
} catch (UnknownHostException e) {
System.err.println(e);
}
}
}
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