the.com/nmap
the flashlight you shine at a network to see which doors are unlocked.
means a free tool that scans networks to discover live hosts, open ports, and what services are running on them.
from written by gordon lyon, aka fyodor, in 1997 and released as a phrack magazine article with source code attached — hacker culture as documentation.
movie cameoused unironically in the matrix reloaded, gaining nerd credibility
real namenetwork mapper, exactly what it says
scripting enginense lets you automate vuln detection, not just scanning
still maintainedover 25 years later, still the industry default