NetGuard Pro

A network monitor and blocker app for Windows, built with Python and customtkinter.

Features

• View internal devices (ARP table)
• View external connections (netstat)
• Block/unblock IPs using Windows Firewall
• Save/load blocked IPs
• Modern UI with customtkinter

Requirements

• Python 3.8+
• customtkinter

Setup

1. Install Python 3.8 or newer.
2. Install dependencies:

   pip install customtkinter

3. Run the app:

   python netguard_app.py

Usage

• Use the UI to monitor devices and connections.
• Block/unblock IPs with one click.
• All blocks are managed via Windows Firewall rules.

Notes

• Run as administrator for firewall changes.
• Only tested on Windows.