<div style="text-indent: 2em;"><p>&nbsp;以下为使用 nmap 工具扫描局域网内所有主机的打开的端口的例子。nmap 工具可以上 http://insecure.org/nmap 网站下载。</p><pre style="text-indent: 0; padding: 10px; background-color: black; color: #00FF00; margin-left: 4em;">C:\Program Files\nmap-5.21&gt;nmap -sT 110.75.164.1 | more

Starting Nmap 5.21 ( http://nmap.org ) at 2010-02-05 04:19 中国标准时间 Nmap scan report for 110.75.164.1 Host is up (0.00s latency). Not shown: 999 filtered ports PORT STATE SERVICE 21/tcp open ftp

Nmap done: 1 IP address (1 host up) scanned in 50.42 seconds