Scan Jaringan dengan nmap

nmap adalah aplikasi scanner jaringan berbasis command line interface (cli) tersedia untuk sistem operasi Linux, Windows, dan OS X.

*Install di Ubuntu*

[INPUT]

1 sudo apt-get install nmap

Scan IP Address yang aktif dalam satu network

[INPUT]

1 nmap -sP 172.16.0.56/24

Hasilnya ada 15 IP Address yang aktif.

[INPUT]

1 2 3 4 5 6 7 8 9 10 Starting Nmap 6.40 ( http://nmap.org ) at 2015-06-20 15:18 WITA Nmap scan report for 172.16.0.27 Host is up (0.14s latency). Nmap scan report for 172.16.0.32 Host is up (0.44s latency). Nmap scan report for 172.16.0.37 Host is up (0.063s latency). Nmap scan report for 172.16.0.38 … Nmap done: 256 IP addresses (15 hosts up) scanned in 44.28 seconds

Scan port yang terbuka

[INPUT]

1 nmap 172.16.0.1

Hasilnya

[INPUT]

1 2 3 4 5 6 7 8 9 10 11 Host is up (0.24s latency). Not shown: 992 closed ports PORT     STATE SERVICE 21/tcp   open  ftp 22/tcp   open  ssh 23/tcp   open  telnet 53/tcp   open  domain 80/tcp   open  http 443/tcp  open  https 2000/tcp open  cisco-sccp 8291/tcp open  unknown

Scan port tertentu

[INPUT]

1 nmap -p 80 172.16.0.1

Scan beberapa port

[INPUT]

1 nmap -p 80,21,22 172.16.0.1

Scan rentang port

[INPUT]

1 nmap -p 80-200 172.16.0.1

Identifikasi sistem operasi

[INPUT]

1 sudo nmap -O 172.16.0.1

Hasilnya

[INPUT]

1 2 3 4 5 … Running: Linux 2.6.X|3.X OS CPE: cpe:/o:linux:linux_kernel:2.6 cpe:/o:linux:linux_kernel:3 OS details: Linux 2.6.32 – 3.9 …

Identifikasi hostname

[INPUT]

1 nmap -sL 172.16.0.1

Hasilnya

[INPUT]

1 Nmap scan report for dilo.makassar.local (172.16.0.1)

Scan versi service/layanan

[INPUT]

1 nmap -sV 172.16.0.1

Hasilnya

[INPUT]

1 2 3 4 5 Not shown: 997 closed ports PORT    STATE SERVICE     VERSION 80/tcp  open  http        Apache httpd 2.4.7 ((Ubuntu)) 139/tcp open  netbios-ssn Samba smbd 3.X (workgroup: TRUSTY) 445/tcp open  netbios-ssn Samba smbd 3.X (workgroup: TRUSTY)

Scan deteksi firewall

[INPUT]

1 sudo nmap -sA 172.16.0.56

Hasilnya

[INPUT]

1 2 3 Nmap scan report for 172.16.0.56 Host is up (0.000011s latency). All 1000 scanned ports on 172.16.0.56 are unfiltered

Perintah lebih lengkap baca *man nmap*

selamat mencoba 🙂

referensi: cyberciti.biz tecmint.com bencane.com shellhacks.com

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