Python TCP Port Scanner

A multithreaded TCP port scanner written in Python using sockets and ThreadPoolExecutor.

Features

• Multithreaded scanning
• Hostname resolution
• Configurable timeout
• Custom port ranges
• CLI interface
• Input validation
• Error handling

Technologies

• Python 3
• socket
• argparse
• concurrent.futures

Installation

git clone ...
cd python-port-scanner
python scanner.py scanme.nmap.org

Example

python scanner.py scanme.nmap.org --start 20 --end 100

Future Improvements

• UDP scanning
• Banner grabbing
• JSON export
• Service detection