Nmap Tutorial for Beginners : First Scan Step by Step (Kali Linux) #ethicalhacking #tech #kalilinux
Mask Man - Cyber Security· 24/5/2026
Mô tả
Nmap Tutorial for Beginners: Your first network scan, step by step, in Kali Linux. Learn host discovery, port scanning, version detection, OS fingerprinting, timing templates, and how to fix common errors. In this video, you will learn everything from opening the terminal to running a complete reconnaissance workflow. No theory. No fluff. Just the real. What You'll Learn: - What Nmap is and why every cybersecurity beginner needs it - Host discovery: ping sweeps with `nmap -sn` - Port scanning: SYN scan, TCP Connect, and UDP scan explained - Scanning all 65,535 ports with `-p-` - Service and version detection with `-sV` - OS fingerprinting with `-O` - The aggressive scan (`-A`) — everything in one command - Timing templates (`-T0` through `-T5`) — speed vs stealth - Troubleshooting common errors (retransmission cap, false positives) - The complete beginner workflow #MaskMan #Nmap #KaliLinux #CyberSecurity #EthicalHacking #NetworkScanning