![]() ARP pings, ICMP requests, TCP and/or UDP pings) to identify live devices on a network. Nmap can be used as a simple discovery tool, using various techniques (e.g. ![]() Without detailed knowledge of which devices are accessible, you cannot determine whether someone (maliciously or not) has connected an unauthorized device to the network, compromising the organisation’s security controls.įor the sake of simplicity, I will use a standard class C network of 192.168.1.0/24 for the following Nmap scan examples. This Nmap tutorial will explain how to use this free tool to identify devices, as well as detect possible network vulnerabilities and infections.Ĭreating an inventory of the devices on your network is the perfect way to start to secure it. Since, it has evolved into a behemoth of a network scanning and enumeration tool, incorporating many features beyond simple port scanning. Nmap first appeared on the scene 14 years ago as a simple network scanner.
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