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[求助] nmap扫描局域网内活跃主机存在大量误报!!!!!

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归红叶
卫忠
使用vmware安装的Backtrack linux中的Nmap扫描主机所在局域网中的活跃主机(只有2,3台),nmap报告多个活跃ip(其实很多是ping不通的),请问是什么原因导致的。

root@kirby:~# nmap -sP 192.168.1.*

Starting Nmap 6.47 ( http://nmap.org ) at 2015-08-22 21:48 EDT
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
Nmap scan report for 192.168.1.1
Host is up (0.074s latency).
Nmap scan report for 192.168.1.16
Host is up (0.0050s latency).
Nmap scan report for 192.168.1.26
Host is up (0.0015s latency).
Nmap scan report for 192.168.1.31
Host is up (0.00024s latency).
Nmap scan report for 192.168.1.42
Host is up (0.00010s latency).
Nmap scan report for 192.168.1.45
Host is up (0.0040s latency).
Nmap scan report for 192.168.1.55
Host is up (0.00012s latency).
Nmap scan report for 192.168.1.58
Host is up (1.2s latency).
Nmap scan report for 192.168.1.59
Host is up (0.0015s latency).
Nmap scan report for bogon (192.168.1.63)
Host is up (1.2s latency).
Nmap scan report for 192.168.1.66
Host is up (1.3s latency).
Nmap scan report for 192.168.1.69
Host is up (1.3s latency).
Nmap scan report for 192.168.1.72
Host is up (1.3s latency).
Nmap scan report for bogon (192.168.1.73)
Host is up (0.00056s latency).
Nmap scan report for bogon (192.168.1.74)
Host is up (0.0017s latency).
Nmap scan report for bogon (192.168.1.75)
Host is up (1.3s latency).
Nmap scan report for bogon (192.168.1.87)
Host is up (0.0011s latency).
Nmap scan report for bogon (192.168.1.88)
Host is up (0.00086s latency).
Nmap scan report for bogon (192.168.1.93)
Host is up (0.0015s latency).
Nmap scan report for bogon (192.168.1.96)
Host is up (0.00081s latency).
Nmap scan report for bogon (192.168.1.102)
Host is up (0.0013s latency).
Nmap scan report for bogon (192.168.1.103)
Host is up (0.22s latency).
Nmap scan report for bogon (192.168.1.106)
Host is up (0.0033s latency).
Nmap scan report for bogon (192.168.1.107)
Host is up (0.0032s latency).
Nmap scan report for bogon (192.168.1.109)
Host is up (0.00019s latency).
Nmap scan report for bogon (192.168.1.111)
Host is up (0.00022s latency).
Nmap scan report for bogon (192.168.1.114)
Host is up (0.0031s latency).
Nmap scan report for bogon (192.168.1.115)
Host is up (0.0026s latency).
Nmap scan report for bogon (192.168.1.117)
Host is up (0.00025s latency).
Nmap scan report for bogon (192.168.1.118)
Host is up (0.00080s latency).
Nmap scan report for bogon (192.168.1.120)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.121)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.122)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.129)
Host is up (0.0036s latency).
Nmap scan report for bogon (192.168.1.130)
Host is up (0.0035s latency).
Nmap scan report for bogon (192.168.1.132)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.135)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.138)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.144)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.147)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.151)
Host is up (0.0040s latency).
Nmap scan report for bogon (192.168.1.153)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.156)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.158)
Host is up (0.0039s latency).
Nmap scan report for bogon (192.168.1.159)
Host is up (0.00029s latency).
Nmap scan report for bogon (192.168.1.160)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.161)
Host is up (0.00011s latency).
Nmap scan report for bogon (192.168.1.162)
Host is up (0.00025s latency).
Nmap scan report for bogon (192.168.1.164)
Host is up (0.00011s latency).
Nmap scan report for bogon (192.168.1.165)
Host is up (0.00013s latency).
Nmap scan report for bogon (192.168.1.166)
Host is up (0.00062s latency).
Nmap scan report for bogon (192.168.1.167)
Host is up (0.0030s latency).
Nmap scan report for bogon (192.168.1.168)
Host is up (0.0011s latency).
Nmap scan report for bogon (192.168.1.169)
Host is up (0.0011s latency).
Nmap scan report for bogon (192.168.1.171)
Host is up (0.0013s latency).
Nmap scan report for bogon (192.168.1.172)
Host is up (0.00075s latency).
Nmap scan report for bogon (192.168.1.174)
Host is up (0.00096s latency).
Nmap scan report for bogon (192.168.1.177)
Host is up (0.00063s latency).
Nmap scan report for bogon (192.168.1.178)
Host is up (0.00056s latency).
Nmap scan report for bogon (192.168.1.180)
Host is up (0.00085s latency).
Nmap scan report for bogon (192.168.1.181)
Host is up (0.0011s latency).
Nmap scan report for bogon (192.168.1.183)
Host is up (0.0012s latency).
Nmap scan report for bogon (192.168.1.184)
Host is up (0.00052s latency).
Nmap scan report for bogon (192.168.1.187)
Host is up (0.000096s latency).
Nmap scan report for bogon (192.168.1.189)
Host is up (1.2s latency).
Nmap scan report for bogon (192.168.1.192)
Host is up (0.000090s latency).
Nmap scan report for bogon (192.168.1.193)
Host is up (0.0014s latency).
Nmap scan report for bogon (192.168.1.196)
Host is up (0.0017s latency).
Nmap scan report for bogon (192.168.1.198)
Host is up (0.000090s latency).
Nmap scan report for bogon (192.168.1.201)
Host is up (0.00026s latency).
Nmap scan report for bogon (192.168.1.202)
Host is up (0.00013s latency).
Nmap scan report for bogon (192.168.1.207)
Host is up (1.3s latency).
Nmap scan report for bogon (192.168.1.225)
Host is up (0.0015s latency).
Nmap scan report for bogon (192.168.1.227)
Host is up (0.0014s latency).
Nmap scan report for bogon (192.168.1.230)
Host is up (0.00077s latency).
Nmap scan report for bogon (192.168.1.231)
Host is up (0.0011s latency).
Nmap scan report for bogon (192.168.1.233)
Host is up (1.1s latency).
Nmap scan report for bogon (192.168.1.234)
Host is up (1.1s latency).
Nmap scan report for bogon (192.168.1.236)
Host is up (0.0035s latency).
Nmap scan report for bogon (192.168.1.237)
Host is up (0.0012s latency).
Nmap scan report for bogon (192.168.1.239)
Host is up (1.1s latency).
Nmap scan report for bogon (192.168.1.242)
Host is up (0.00014s latency).
Nmap scan report for bogon (192.168.1.243)
Host is up (0.0035s latency).
Nmap scan report for bogon (192.168.1.245)
Host is up (0.0030s latency).
Nmap scan report for bogon (192.168.1.246)
Host is up (0.0035s latency).
Nmap scan report for bogon (192.168.1.248)
Host is up (0.0016s latency).
Nmap scan report for bogon (192.168.1.249)
Host is up (0.0012s latency).
Nmap scan report for bogon (192.168.1.252)
Host is up (0.0033s latency).
Nmap scan report for bogon (192.168.1.254)
Host is up (0.0017s latency).
Nmap scan report for bogon (192.168.1.255)
Host is up (0.00091s latency).
Nmap done: 256 IP addresses (90 hosts up) scanned in 30.39 seconds
+1
6966°C
2
  • Mooster
  • dapeng901
过: 他们
须映冬
欣冬
我的也是这个问题,有大神求解
泉开朗
馨桂
这个不是误报。之所以ping不同,是很多服务器都会设置为拒绝icmp ping请求响应。
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BackTrack是一套专业的计算机安全检测的Linux操作系统,简称BT。BackTrack 是一个基于Ubuntu GNU/Linux的发行版本,主要用做数字取证和入侵测试。它的名字引用自回溯法(backtracking)。BackTrack 给用户提供了大量功能强大但简单易用的安全工具软件。BackTrack还支持Live CD和Live USB启动方式,用户可以直接从移动介质启动该系统而不用将系统安装在硬盘上。BackTrack被设计成一体化的旨在安全审计用的livecd,曾经它是被最广泛采用的渗透测试框架并被世界各地的安全社区所使用。现在,BackTrack已被Kali Linux所代替,BT将不再维护。
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