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🔎 Python Port Scanner

A lightweight TCP Port Scanner built in Python using the socket module.

📌 Overview

This project scans a target host for commonly used TCP ports and identifies which ports are open. It was built to understand TCP connections, socket programming, and basic network reconnaissance.

🚀 Features

  • Scan multiple common TCP ports
  • Detect open ports
  • Display total scan time
  • User-friendly terminal output
  • Beginner-friendly implementation

🛠 Technologies Used

  • Python 3
  • Socket Module
  • TCP Networking

📂 Ports Scanned

Service Port
FTP 21
SSH 22
Telnet 23
SMTP 25
DNS 53
HTTP 80
POP3 110
NetBIOS 139
IMAP 143
HTTPS 443
SMB 445
RDP 3389

▶️ How to Run

python scanner_v2.py

📸 Sample Output

========================================
Python Port Scanner V2
========================================

Scanning scanme.nmap.org...

[+] Port 21 (FTP) is OPEN
[+] Port 22 (SSH) is OPEN
[+] Port 80 (HTTP) is OPEN

========================================
Scan Complete
========================================

Open Ports Found: 3

Time Taken: 2.34 seconds

📚 What I Learned

  • Python Socket Programming
  • TCP Handshake
  • Common Network Ports
  • Network Reconnaissance
  • Git & GitHub Workflow

🔮 Future Improvements

  • Multithreading
  • Custom Port Range
  • Banner Grabbing
  • Service Detection
  • Save Scan Results to CSV
  • GUI Version