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Im using Armitage on Kali Linux 2. (Virtual box) In Armitage Im using "Quick scan (OS detect)" option. This is output log:

[*] Nmap: Nmap scan report for 192.168.1.255 
[*] Nmap: Host is up (0.0089s latency). 
[*] Nmap: All 100 scanned ports on 192.168.1.255 are filtered 
[*] Nmap: Too many fingerprints match this host to give specific OS details 
[*] Nmap: OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/
[*] Nmap done: 256 IP addresses (256 hosts up) scanned in 435.84 seconds 

It didnt detect any OS. I have already disabled firewall and its still not working.

Does anyone know how to fix this?

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The address 192.168.1.255/24 is not a host address. It is the broadcast-address. That is also the reason why it says

[*] Nmap done: 256 IP addresses (256 hosts up) scanned in 435.84 seconds.

In a network with 256 IP-addresses there can only be 254 hosts, because the first address (192.168.1.0/24) is the network-ID and the last address (192.168.1.255/24) is the broadcast-address.

  • but still there is no hosts with detected OS. The OS is "unknown" for every host Also i was scanning 192.168.1.0/24 – incompleteET Jun 29 '18 at 11:42
  • try typing db_nmap --min-hostgroup 96 -sV -n -T4 -O -F --version-light 192.168.1.0/24 in your Armitage console – Nordlys Jeger Jun 29 '18 at 11:43
  • it still says Too many fingerprints match this host to give specific OS details – incompleteET Jun 29 '18 at 15:43
  • I could reproduce it, I'll look what it means. – Nordlys Jeger Jun 29 '18 at 20:19
  • this and this should help. – Nordlys Jeger Jun 29 '18 at 20:32

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