NMAP – A Stealth Port Scanner–reference
http://nmap.org/bennieston-tutorial/实例：nmap -sP 192.168.21.*Contents1IntroductionNmap is a free, ope
nmap 常用命令
How to install nmap Ubuntu/Debain systems # sudo apt-get install nmap To Install nmap in yum packaged system Centos/RHEL # yum install nmap -y To install from rpm Pcakge # rpm -ivh nmap{version_of_pac