Scan your computer for ports in use : Utilities « Network Protocol « Java

Scan your computer for ports in use

Scan your computer for ports in use

public class LocalScan {
  public static void main(String[] args) {
    for (int i = 1; i < 1023; i++) {

  private static void testPort(int i) {
    try {
      ServerSocket sock = new ServerSocket(i);
    } catch ( e) {
      System.out.println("Port " + i + " in use.");

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