Praktikum Lab Homework Transparan

LAPORAN PRAKTIKUM 

KEAMANAN JARINGAN KOMPUTER

Praktikum 3

Disusun Oleh :

  
Devi Febrita Sari H

064001600020

Teknik Informatika

Fakultas Teknologi Industri

Universitas Trisakti

Jakarta – Indonesia

2018

Teori Percobaan

a.     Cara mengetahui ip address website dengan membuka CMD dan Ketik ping www.google.com

b.     Modifikasi host

-         Buka notepad++ dan lakukan run administrator. Pada notepad tersebut open file di direktori C:\Windows\System32\drivers\etc

-         Tambahkan 128.252.166.33 www.google.com

c.      Cara menemukan domain of 128.272.165.7 (reverse the address and add .inaddr.arpa)

- Jalankan CMD lalu ketikan "nslookup 128.272.165.7"

d.     Cara menemukan pemilik domain wustl.edu

Buka web https://www.webhostingterbaik.id/cek-pemilik-domain-2/kemudian masukan domain yang akan dicari wustl.edu, hasilnya :

e.      Cara menemukan rute dari komputer Anda ke  www.google.com

Buka CMD tuliskan "tracert www.google.com" 

f.       Cara menemukan MAC address

Buka CMD tulisakan "getmac /v /fo list" , physical address adalah MAC address komputer 

g.     Cara mencetak ARP cache table

Buka CMD tuliskan "ARP -a"

h.     Print your routing table

Buka CMD tuliskan "route print -4

i.       What is the number of packets sent with “destination unreachable”

j.       Find the location of 128.252.166.33 dan Buka website ipaddresslocation.org lalu masukkan 128.252.166.33

1. Find the IP addresses of www.google.com

2. Modify the hosts file to map www.google.com to 128.252.166.33 and do a

google search. Remove the modification to the host file and repeat.

3. Find the domain name of 128.272.165.7 (reverse the address and add .in-

addr.arpa)

4. Find the owner of wustl.edu domain

5. Find route from your computer to www.google.com

6. Find the MAC address of your computer

7. Print your ARP cache table. Find a server on your local network. Change

its ARP entry in your computer to point to your computer’s MAC address.

Print new ARP cache table. Now use the service and see what happens.

8. Print your routing table and explain each line (up to line #20 if too many)

9. What is the number of packets sent with “destination unreachable”

10. Find the location of 128.252.166.33 (use ipaddresslocation.org)