This video tutorial introduces the Nmap tool, a crucial network mapper used for vulnerability scanning and network discovery. It covers the basics of Nmap, including its ability to identify devices on a network, detect open ports, and determine software versions. The tutorial explains how to run Nmap on Kali Linux and explores IP addresses using tools like nslookup and curl. An example of scanning a website with Nmap is provided, emphasizing the importance of legal considerations when scanning networks.

What are the legal implications of using nmap on devices you do not own?

How can you verify if a website allows scanning with nmap?

What does the '-A' option do when using nmap?

What are the differences between open and filtered ports in nmap results?