Saya di bawah firewall, saya bisa melakukan ping ke beberapa host tetapi tidak ke host lain
alamat IP saya 172.19.7.111
mask 255.255.240.0
Saya dapat melakukan ping ke host 172.19.2.111
(yang saya temukan dengan Angry IP Scanner) tetapi tidak ke 172.19.2.167
rapsberry saya.
Saya memeriksa kedua alamat IP host dengan ifconfig
. keduanya memilikimask 255.255.240.0
host yang tidak dijangkau tidak terdeteksi oleh Angry IP Scanner.
Memindai jaringan untuk port terbuka dengan perintah nmap untuk host 172.19.2.167 (wlan0)
nmap -v -sT 172.19.4.47 -Pn
Completed Connect Scan at 20:28, 14.39s elapsed (1000 total ports)
Nmap scan report for 172.19.4.167
Host is up (0.11s latency).
All 1000 scanned ports on 172.19.4.167 are filtered
Saya dapat melakukan ping ke host ini 1 "72.19.4.167" via eth0 (jaringan 192.168.0.0 / 24)
Memindai dengan jaringan eth0 (1952.168.0.0/24) (host yang sama)
Memulai Connect Scan pada 21:20 Memindai 192.168.0.2 [1000 port]
Discovered open port 22/tcp on 192.168.0.2
Completed Connect Scan at 21:20, 0.14s elapsed (1000 total ports)
Nmap scan report for 192.168.0.2
Host is up (0.011s latency).
Not shown: 999 closed ports
PORT STATE SERVICE
22/tcp open ssh
MAC Address: B8:27:EB:D5:44:B8 (Raspberry Pi Foundation)
gateway gateway (172.19.0.5)
Starting Nmap 6.40 ( http://nmap.org ) at 2014-04-28 21:12 CEST
Initiating ARP Ping Scan at 21:12
Scanning 172.19.0.5 [1 port]
Completed ARP Ping Scan at 21:12, 0.02s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 21:12
Completed Parallel DNS resolution of 1 host. at 21:12, 0.01s elapsed
Initiating Connect Scan at 21:12
Scanning pftw01.crous.lan (172.19.0.5) [1000 ports]
Discovered open port 53/tcp on 172.19.0.5
Discovered open port 8080/tcp on 172.19.0.5
Discovered open port 22/tcp on 172.19.0.5
Discovered open port 8000/tcp on 172.19.0.5
Discovered open port 8001/tcp on 172.19.0.5
Completed Connect Scan at 21:12, 4.41s elapsed (1000 total ports)
Nmap scan report for pftw01.crous.lan (172.19.0.5)
Host is up (0.0045s latency).
Not shown: 995 filtered ports
PORT STATE SERVICE
22/tcp open ssh
53/tcp open domain
8000/tcp open http-alt
8001/tcp open vcom-tunnel
8080/tcp open http-proxy
MAC Address: 00:0C:29:D4:41:EB (VMware)
ada penjelasan ???