![]() Version detection – Interrogating network services on remote devices to determine the application name and version number. ![]() OS detection – Determining the operating system and hardware characteristics of network devices. Port scanning – Enumerating the open ports on target hosts. For example, listing the hosts that respond to TCP and/or ICMP requests or have a particular port open. Host discovery – Identifying hosts on a network. ![]() Nmap can provide further information on targets, including reverse DNS names, device types, and MAC addresses. Nmap offers some features for probing computer networks, including host discovery and service and operating system detection. ![]() Nmap is a free open source tool, employed to discover hosts and services on a computer network by sending packets and analyzing the retrieved responses. ![]()
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