Cari Tau OS teman dengan NMAP

Posted: June 10, 2009 in Linux

Ternyata linux banyak banget tools jaringan nya tdk seperti di w@##@4, salah satu yang menarik yaitu NMAP.
NMAP atau network Mapper, tools yang cukup ampuh untuk mendeteksi OS host, ip host yang sedang aktif,,mac-address bahkan vendor ethernet pun bisa kedetek. ataupun mendeteksi port-port mana saja dari server atau pun client yang sedang OPEN. Biasanya tools ini sering banget dipakai oleh parah hacker. OK, kita langsung saja mencobanya.

Kelinci percobaaannya PC Gue sendiri, h.ehe.he.he… ip address yang dipakai 10.8.8.143/24.
Sekarang kita scanning pakai NMAP, bagaimna statusnya..harusnya UP.
nadial@nadial-desktop:~$ nmap -v -sP 10.8.8.0/24

Host 10.8.8.143 appears to be up.
Host 10.8.8.144 appears to be down.
Host 10.8.8.145 appears to be down.
Host 10.8.8.146 appears to be up.
Read data files from: /usr/share/nmap
Nmap done: 256 IP addresses (62 hosts up) scanned in 4.93 seconds

karena prefix ip yang digunakan /24, jadi ada 256 IP Host yang terdetek,, tapi dari total 256 yang statusnya UP hanya 62 host

Jika ingin melihat detail mac-address dari Ethernet yang terpasang ataupun vendor, eksekusi NMAP harus level root

nadial@nadial-desktop:~$ sudo nmap -v -sP 10.8.8.0/24
hasilnya seperti dibawah ini

Host 10.8.8.197 appears to be up.
MAC Address: 00:13:46:7B:58:46 (D-Link)
Host 10.8.8.198 appears to be up.
MAC Address: 00:00:1C:DD:12:B2 (Bell Technologies)
Host 10.8.8.199 appears to be down.
Host 10.8.8.200 appears to be up.
MAC Address: 00:15:17:35:49:1A (Intel Corporate)
Host 10.8.8.201 appears to be down.

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