nmap新发现

#nmap -p 22 x.x.x.x

Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2008-07-21 15:34 CST
PORT   STATE  SERVICE
22/tcp closed ssh
MAC Address: 00:0B:DB:AE:45:E2 (Dell ESG Pcba Test)

Nmap run completed -- 1 IP address (1 host up) scanned in 0.187 seconds
#nmap -p 22 x.x.x.x

Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2008-07-21 15:34 CST
Interesting ports on x.x.x.x
PORT   STATE  SERVICE
22/tcp closed ssh
MAC Address: 00:0B:FD:84:77:FF (Cisco Systems)

 

# nmap -v

Starting nmap 3.70 ( http://www.insecure.org/nmap/ ) at 2008-07-21 16:11 CST
No target machines/networks specified!
QUITTING!

发现nmap现在也智能一些了.还会根据mac地址区分设备类型了.可能以前版本也支持,只是没注意吧.哈哈