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Nmap for Pentesters – A Beginners Guide By Ignite Technologies

Introduction
Nmap (“Network Mapper”) is a free and open-source (licenced) utility for network discovery and security
auditing. Many systems and network administrators also find it useful for tasks such as network inventory,
managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets
in novel ways to determine what hosts are available on the network, what services (application name and
version) those hosts are offering, what operating systems (and OS versions) they are running, what type
of packet filters/firewalls are in use, and dozens of other characteristics. It was designed to rapidly scan
large networks, but it works fine against single hosts. Nmap runs on all major computer operating systems, and official binary packages are available for Linux, Windows, and Mac OS X.
For details, visit nmap.org.

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