Nmap - Explained

Nmap, short for Network Mapper is a free and open-source command-line (CLI) tool for network discovery and security assessment. Many systems and network administrators, penetration testers, hackers, and anyone who is interested and wants to understand more about the devices on the given network finds Nmap useful. 

Nmap uses raw IP packets in a unique way to determine:

  • What devices and/or hosts are available on the network.
  • What services like application name and version are running on the host. 
  • What operating system and OS version they are running.
  • What type of firewalls are in use.
  • What type of packet filtering are in use.

Basically, Nmap was designed to rapidly scan large networks. but also works fine with a single host. Nmap runs on all major operating systems, and official binary packages are available for Linux, Windows, and Mac OS X to name a few.

In addition to the classic command-line tool, it has an advanced GUI and results viewer named Zenmap

All in all, Nmap is a huge security scanner and from an IP Range, it can discover open ports, running services, OS, connected host to the network, and much more.

Similar Applications

  • For Large IP Ranges: 
    • Nmap
    • Zmap
    • Masscan
  • For Small IP Ranges: 
    • Nmap
    • WhatWeb
    • BlindElephant

We hope this helps. If any suggestions or doubts you can add a comment and we will reply as soon as possible.

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