Simply put, Nmap works by sending raw IP packets to gather information about the hosts in a network, the services running, the versions, and even the operating systems. Nmap scans can also help to detect vulnerabilities in the network hosts using the built-in scripting engine. Nmap allows you to scan from a single host in a network to a collection of hosts in a large network.Īn Nmap scan can provide information such as the operating system running on the hosts, the ports, the corresponding services, and the host services versions. Nmap can be quite capable when performing network diagnostics and information-gathering in penetration testing. Network Mapper, commonly called Nmap, is a popular, open-source security auditing and network scanner created by Gordon Lyon.
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