Port Scanner

A GUI-based port scanner built with Python and Tkinter. Scan any IP to check which ports are open or closed — useful for network troubleshooting, firewall verification, and security auditing.

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Features

• Custom port range scanning
• Color-coded output — green for open, red for closed
• Real-time progress bar
• Export results to CSV

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Requirements

• Python 3.x
• Tkinter (included with Python)
• PyInstaller (only for building an executable)

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Run

python PortScanner.py

Or build an executable:

pyinstaller --onefile --windowed --icon=your_icon.ico PortScanner.py

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Usage

1. Enter the target IP address
2. Set the start and end port range
3. Click Start Scan
4. Save results as CSV when prompted

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Use Cases

• Check if a service is running on a specific port
• Verify firewall rules on your own network
• Identify exposed ports for security auditing