1.作用扫描整个网络的主机服务状态和存活优点,快速,准确,效率高2.nmap 选项 Usage: nmap [Scan Type(s)] [Options] {target specification}TARGET SPECIFICATION:Can pass hostnames, IP addresses, networks, etc.Ex: scanme.nmap.org, microsoft.com/24, 192.168.0.1; 10.0-255.0-255.1-254-iL <inp…