Nmap命令扫描存活主机
1、ping扫描：扫描192.168.0.0/24网段上有哪些主机是存活的； [root@laolinux ~]# nmap -sP 192.168.0.0/24 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-04-25 06:59 CST Host laolinux (192.168.0.3) appears to be up. Host 192.168.0.20 appears to be up. MAC Address: 00:1E:4F:CD:C6:0E (Unknown) Host 192.168.0.108 appears to be up. MAC Address: 00:E3:74:27:05:B7 (Unknown) Host 192.168.0.109 appears to be up. MAC Address: 00:E0:E4:A6:14:6F (Fanuc Robotics North America) Host 192.168.0.111 appears to be up. MAC Address: 00:E0:E4:A6:1C:91 (Fanuc Robotics North America) Host 192.168.0.114 appears to be up. MAC Address: 00:11:1A:35:38:65 (Motorola BCS) Host 192.168.0.118 appears to be up. MAC Address: 00:E0:2A:51:AC:5B (Tandberg Television AS) Host 192.168.0.119 appears to be up. MAC Address: 00:EA:E5:C1:21:D6 (Unknown) Host 192.168.0.124 appears to be up. MAC Address: 00:E0:4C:39:05:81 (Realtek Semiconductor) Host 192.168.0.127 appears to be up. MAC Address: 00:11:1A:35:38:62 (Motorola BCS) Host 192.168.0.128 appears to be up. MAC Address: 00:E0:E4:A6:1C:96 (Fanuc Robotics North America) Host 192.168.0.134 appears to be up. MAC Address: 00:E0:2A:51:AC:5F (Tandberg Television AS) Host 192.168.0.135 appears to be up. MAC Address: 00:11:1A:35:38:60 (Motorola BCS) Host 192.168.0.137 appears to be up. MAC Address: 00:1F:06:D6:3E:BA (Unknown) Host 192.168.0.139 appears to be up. MAC Address: 00:E0:E4:A6:1C:92 (Fanuc Robotics North America) Host 192.168.0.140 appears to be up. MAC Address: 00:1F:1A:39:1B:8D (Unknown) Host 192.168.0.155 appears to be up. MAC Address: 00:1C:23:4C:DB:A0 (Unknown) Host 192.168.0.211 appears to be up. MAC Address: 00:1D:72:98:A2:8C (Unknown) Host 192.168.0.220 appears to be up. MAC Address: 00:40:45:20:8C:93 (Twinhead) Host 192.168.0.221 appears to be up. MAC Address: 00:09:6B:50:71:26 (IBM) Nmap finished: 256 IP addresses (20 hosts up) scanned in 3.818 seconds 2、端口扫描：扫描192.168.0.3这台主机开放了哪些端口； [root@laolinux ~]# nmap -sT 192.168.0.3 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-04-25 07:02 CST Interesting ports on laolinux (192.168.0.3): Not shown: 1667 closed ports PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 25/tcp open smtp 53/tcp open domain 80/tcp open http 110/tcp open pop3 111/tcp open rpcbind 143/tcp open imap 964/tcp open unknown 993/tcp open imaps 995/tcp open pop3s 3306/tcp open mysql 10000/tcp open snet-sensor-mgmt Nmap finished: 1 IP address (1 host up) scanned in 4.755 seconds 3、隐藏扫描，只在目标主机上留下很少的日志信息：隐藏扫描192.168.0.220 [root@laolinux ~]# nmap -sS 192.168.0.127 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-04-25 07:08 CST Interesting ports on 192.168.0.127: Not shown: 1675 closed ports PORT STATE SERVICE 21/tcp open ftp 135/tcp open msrpc 139/tcp open netbios-ssn 445/tcp open microsoft-ds 912/tcp open unknown MAC Address: 00:11:1A:35:38:62 (Motorola BCS) Nmap finished: 1 IP address (1 host up) scanned in 3.121 seconds 4、UDP端口扫描：扫描192.168.0.127开放了哪些UDP端口； [root@laolinux ~]# nmap -sU 192.168.0.127 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-04-25 07:08 CST Interesting ports on 192.168.0.127: Not shown: 1480 closed ports PORT STATE SERVICE 123/udp open|filtered ntp 137/udp open|filtered netbios-ns 138/udp open|filtered netbios-dgm 445/udp open|filtered microsoft-ds 500/udp open|filtered isakmp 1900/udp open|filtered UPnP 4500/udp open|filtered sae-urn MAC Address: 00:11:1A:35:38:62 (Motorola BCS) Nmap finished: 1 IP address (1 host up) scanned in 2.947 seconds 5、操作系统识别： [root@laolinux ~]# nmap -sS -O 192.168.0.127 Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2009-04-25 07:09 CST Interesting ports on 192.168.0.127: Not shown: 1675 closed ports PORT STATE SERVICE 21/tcp open ftp 135/tcp open msrpc 139/tcp open netbios-ssn 445/tcp open microsoft-ds 912/tcp open unknown MAC Address: 00:11:1A:35:38:62 (Motorola BCS) Device type: general purpose Running: Microsoft Windows 2003/.NET|NT/2K/XP OS details: Microsoft Windows 2003 Server or XP SP2 Nmap finished: 1 IP address (1 host up) scanned in 5.687 seconds
