Chapter 3: Identifying the Occupants (Service & OS Detection)
The scripts cross-referenced the service versions with known CVE (Common Vulnerabilities and Exposures) databases. Within seconds, the screen flashed red: The outdated Apache version was susceptible to a known exploit. Chapter 5: The Final Report (Output) Nmap Network Scanning Guide
The terminal revealed a critical detail: Port 80 wasn't just a generic web server; it was running an outdated version of Apache. Alex also saw that the target was likely a machine. Chapter 4: The Deep Dive (Nmap Scripting Engine) Chapter 3: Identifying the Occupants (Service & OS
Knowing a port is open isn't enough; you need to know what��셲 running inside. Alex used ( nmap -sV ) and OS Detection ( nmap -O ). Alex also saw that the target was likely a machine
Alex knew that scanning every possible IP would be loud and slow. They started with a ( nmap -sn 192.168.1.0/24 ) to quietly identify which devices were actually powered on without probing specific ports.