Dalam praktik lapangan, tanpa mengenal ilmu jaringan agak mustahil
bagi Calon Hacker untuk melakukan peretesan, apalagi jika targetnya
tidak berada di jaringan yang sama, maka semakin banyak pula yang harus
diketahui si hacker tentang ilmu jaringan komputer.
Pada kesempatan kali ini MeretasDC akan membahas jaringan dasar minimal yang harus dikuasai jika anda ingin belajar menjadi Hacker. pertama :
IP address atau Internet Protocol Address adalah sistem peng-alamatan
suatu perangkat dengan menggunakan angka sebagai identitas. IP ADDRESS
sudah pernah dibahas lengkap pada artikel Pengertian IP Address .
Jaman sekarang semua perangkat digital telah diberikan kartu jaringan
sehingga dapat memiliki ip addressnya masing masing, itu sebabnya semua
perangkat tersebut dapat berkomunikasi satu sama lain melalui jaringan
internet.
IP address yang biasa digunakan umumnya terbagi menjadi tiga kelas, yaitu:
Kelas A: 1.0.0.0 – 126.255.255.255
Kelas B: 128.0.0.0 – 191.255.255.255
Kelas C: 192.0.0.0 – 223.255.255.255
(yang bercetak tebal adalah Network, dan yang tidak adalah bagian Host.)
Pemilihan kelas IP Address untuk jaringan lokal biasanya didasari
oleh jumlah network dan hostnya. (silahkan baca artikel pengertian IP
Address untuk memahami apa itu network dan host). Misalnya perusahaan
MDC hanya memiliki 2 cabang dan untuk setiap cabangnya dibutuhkan banyak
sekali IP Address maka yang dipilih adalah kelas A karena jumlah
hostnya yang sangat besar .
Misalnya lagi perusahaan MRTS memiliki cabang yang banyak sekali
namun tiap cabangnya hanya memerlukan sedikit sekali ip maka kelas C
bisa jadi pilihan karena jumlah networknya yang besar dan hostnya yang
sedikit.
IP address yang banyak dipakai saat ini adalah versi 4 , penulisannya
seperti yang kita bisa liat di atas. meskipun bisa menghasilkan
milyaran angka ternyata jumlah IP Address tersebut terbatas dan dianggap
kurang jika dibandingkan dengan jumlah manusia saat ini.
Oleh karenanya sistem membuat agar ada IP Address yang bisa diulang dan diulang lagi pada jaringan lokal masing-masing tempat.
IP Address tersebut disebut IP lokal. tentu saja IP Address tersebut
tidak dapat di gunakan sebagai identitas di Internet. tujuan pembuatan
ip lokal adalah agar kebutuhan ip address disemua perangkat terpenuhi.
ini contoh dari ip address yang biasanya di pakai di jaringan lokal :
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255
Lalu bagaimana caranya agar jaringan lokal tadi bisa terhubung ke internet ?
Untuk dapat berkomunikasi ke Internet ip lokal tadi harus dirubah kedalam bentuk IP Public menggunakan bantuan perangkat NAT .
Sampai disini setidaknya kita bisa membedakan yang mana IP LOKAL dan yang mana IP PUBLIC.
IP address atau Internet Protocol Address adalah sistem peng-alamatan
suatu perangkat dengan menggunakan angka sebagai identitas. IP ADDRESS
sudah pernah dibahas lengkap pada artikel Pengertian IP Address .
Jaman sekarang semua perangkat digital telah diberikan kartu jaringan
sehingga dapat memiliki ip addressnya masing masing, itu sebabnya semua
perangkat tersebut dapat berkomunikasi satu sama lain melalui jaringan
internet.
IP address yang biasa digunakan umumnya terbagi menjadi tiga kelas, yaitu:
Kelas A: 1.0.0.0 – 126.255.255.255
Kelas B: 128.0.0.0 – 191.255.255.255
Kelas C: 192.0.0.0 – 223.255.255.255
(yang bercetak tebal adalah Network, dan yang tidak adalah bagian Host.)
Pemilihan kelas IP Address untuk jaringan lokal biasanya didasari
oleh jumlah network dan hostnya. (silahkan baca artikel pengertian IP
Address untuk memahami apa itu network dan host). Misalnya perusahaan
MDC hanya memiliki 2 cabang dan untuk setiap cabangnya dibutuhkan banyak
sekali IP Address maka yang dipilih adalah kelas A karena jumlah
hostnya yang sangat besar .
Misalnya lagi perusahaan MRTS memiliki cabang yang banyak sekali
namun tiap cabangnya hanya memerlukan sedikit sekali ip maka kelas C
bisa jadi pilihan karena jumlah networknya yang besar dan hostnya yang
sedikit.
IP address yang banyak dipakai saat ini adalah versi 4 , penulisannya
seperti yang kita bisa liat di atas. meskipun bisa menghasilkan
milyaran angka ternyata jumlah IP Address tersebut terbatas dan dianggap
kurang jika dibandingkan dengan jumlah manusia saat ini.
Oleh karenanya sistem membuat agar ada IP Address yang bisa diulang dan diulang lagi pada jaringan lokal masing-masing tempat.
IP Address tersebut disebut IP lokal. tentu saja IP Address tersebut
tidak dapat di gunakan sebagai identitas di Internet. tujuan pembuatan
ip lokal adalah agar kebutuhan ip address disemua perangkat terpenuhi.
ini contoh dari ip address yang biasanya di pakai di jaringan lokal :
10.0.0.0 – 10.255.255.255
172.16.0.0 – 172.31.255.255
192.168.0.0 – 192.168.255.255
Lalu bagaimana caranya agar jaringan lokal tadi bisa terhubung ke internet ?
Untuk dapat berkomunikasi ke Internet ip lokal tadi harus dirubah kedalam bentuk IP Public menggunakan bantuan perangkat NAT .
Sampai disini setidaknya kita bisa membedakan yang mana IP LOKAL dan yang mana IP PUBLIC.
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Good news comes rare and it's left for us to whether cherish such glittering ounce of it like a priceless diamond or the otherwise. Up a world of unimagined decentralized possibilities, where more online banking funds on value can be built, transferred, and managed with greater ease and transparency via hacking. You have been trying so hard to meet with the real deal, here is where your search ends.
As a strong and established personnel of cryptocurrency (bitcoin), PayPal, credit card user in the terms of solid community, we strive to continue our mission on helping Individuals who are facing various cyber problems mostly the bitcoin hack swindles.
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As part of our core mission and value to fix a dysfunctional bitcoin wallet accounts back to it normal stability and increasingly loading different accounts with huge funds via a dominant online crocked cyber tech algorithms. Taking a weighty focus on bitcoin hacks, For instance, account facing problems which incudes.
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▪Bitcoin minning pool and exchage hacking,
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▪Freeze mining on crptocurrency.
Here you are been given a chance to recover what you thought you lost and earnestly making a lot of funds along this highly classified information. This is a global information that navigates a newbie to a prominent encounter. We treat every request with patience and outmost confidence Basically, hacking requires patience and no funds related successful hack goes lesser than 16 hours. The bottomline is we make a purposeful use of the time in lenience to attain a positive result to our clients.
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As part of our core mission and value to fix a dysfunctional bitcoin wallet accounts back to it normal stability and increasingly loading different accounts with huge funds via a dominant online crocked cyber tech algorithms. Taking a weighty focus on bitcoin hacks, For instance, account facing problems which incudes.
▪Slack hacking bots,
Fradulent bitcoin minning through brokers
▪Wallet hack,
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▪Cryptocurrency theft,
▪Freeze mining on crptocurrency.
Here you are been given a chance to recover what you thought you lost and earnestly making a lot of funds along this highly classified information. This is a global information that navigates a newbie to a prominent encounter. We treat every request with patience and outmost confidence Basically, hacking requires patience and no funds related successful hack goes lesser than 16 hours. The bottomline is we make a purposeful use of the time in lenience to attain a positive result to our clients.
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▪Freeze mining on crptocurrency.
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