Build a Java-Based Network Scanner: A Step-by-Step Guide for Ethical Hackers

  Demo :


Click Video 👇👇👇



















📄 Features

  • Introduction: Importance of network scanning in cybersecurity.

  • Prerequisites: Basic knowledge of Java and networking concepts.

  • Step-by-Step Guide: Detailed explanation of the Java code provided.

  • Code Explanation: Breakdown of each part of the code for better understanding.

  • Execution Instructions: How to compile and run the Java program.

  • Use Cases: Real-world applications of network scanning.

  • Conclusion: Recap and encouragement to explore further.


📁 Folder Structure

NetworkScanner/
├── src/
│   └── NetworkScanner.java

Code :


import java.io.IOException;

import java.net.InetAddress;


public class NetworkScanner {


    public static void main(String[] args) {

        String subnet = "192.168.1."; // Replace with your local network's subnet

        int timeout = 1000; // Timeout in milliseconds (1 second)

        System.out.println("Starting network scan...");


        for (int i = 1; i < 255; i++) {

            String ip = subnet + i;

            try {

                InetAddress inet = InetAddress.getByName(ip);

                if (inet.isReachable(timeout)) {

                    System.out.println(ip + " is online");

                } else {

                    System.out.println(ip + " is offline");

                }

            } catch (IOException e) {

                System.out.println("Error checking IP: " + ip);

            }

        }

    }

}

Comments

Post a Comment

Popular posts from this blog

🚀 Simple Login & Registration System in Python Tkinter 📱

Image
   Demo : Click Video 👇👇👇 ✅ Features: ✔️ Simple Login UI 🖥️ ✔️ Secure User Authentication 🔒 ✔️ SQLite Database Integration 📂 ✔️ User Registration Form ✍️ Code : import tkinter as tk from tkinter import messagebox from tkinter import ttk import sqlite3 # Global variables root = tk.Tk() root.withdraw()  # Hide main root window login_window = None home_window = None settings_window = None planner_window = None # Database setup def create_db():     conn = sqlite3.connect('user_data.db')     c = conn.cursor()     c.execute('''CREATE TABLE IF NOT EXISTS users (username TEXT, password TEXT)''')     conn.commit()     conn.close() # User registration def register_user():     username = reg_username_entry.get()     password = reg_password_entry.get()     if username and password:         conn = sqlite3.connect('user_data.db')         c = conn.cursor...
Read more

🚀 Create a Python Screen Recorder with Audio (Complete Code)

Image
  Demo : Click Video 👇👇👇 📂 Folder Structure 📁 Python-Screen-Recorder     ├── 📄 screen_recorder.py  (Main Python Script)     ├── 🎵 audio.wav  (Recorded Audio)     ├── 🎥 screen_record.avi  (Recorded Video) Dependencies Install Karo: cmd => pip install opencv-python numpy pyautogui pyaudio Code : import cv2 import numpy as np import pyautogui import pyaudio import wave import threading import tkinter as tk from tkinter import filedialog # Set screen size screen_width, screen_height = pyautogui.size() frame_rate = 20 # Audio recording settings audio_format = pyaudio.paInt16 channels = 2 rate = 44100 chunk = 1024 audio_filename = "audio.wav" video_filename = "screen_record.avi" # Audio recording function def record_audio():     audio = pyaudio.PyAudio()     stream = audio.open(format=audio_format, channels=channels, rate=rate, input=True, frames_per_buffer=chunk)     frames = []     whil...
Read more

Python IP Tracker App with GUI | Track IP Location Real-Time! (Working Project)

Image
Python IP Tracker App 🔥   Location, ISP, Country, City — sab real-time milta hai! Ab tum bhi bana sakte ho yeh amazing GUI app – full source code available hai 👇   Check the video & start building your own!    Demo : Click Video 👇👇👇 Code : import tkinter as tk from tkinter import messagebox, scrolledtext import requests def track_ip(ip):     try:         url = f"http://ip-api.com/json/{ip}"         response = requests.get(url)         data = response.json()         if data['status'] == 'success':             result = (                 f"IP: {data['query']}\n"                 f"Country: {data['country']} ({data['countryCode']})\n"                 f"Region: {data['regionName']} ({data['region']})\n"   ...
Read more