LAPORAN PRAKTIKUM
KEAMANAN JARINGAN KOMPUTER
Praktikum 3
Disusun Oleh :
Nama : Fajar Ilhamy
Nim : 064001600019
Teknik Informatika
Fakultas Teknologi Industri
Universitas Trisakti
Jakarta – Indonesia
2018
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)
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
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)
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