Building a Custom Security Tool: Python Port Scanner from Scratch
Note: This guide is based on technical research from network protocol RFCs, Python socket programming documentation, and analysis of open-source scanning tools like nmap. The techniques described are for educational purposes and authorized security testing only. Unauthorized port scanning may violate computer fraud laws and terms of service. Code examples have been verified for functionality on Python 3.9+. Readers must obtain written authorization before scanning networks they do not own or have explicit permission to test. ...