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All Journal Jurnal Media Infotama Techno.Com: Jurnal Teknologi Informasi Jurnal Pseudocode Journal of Information Technology and Computer Science (JOINTECS) JURNAL MEDIA INFORMATIKA BUDIDARMA Jusikom : Jurnal Sistem Komputer Musirawas Jurnal Ilmiah Binary STMIK Bina Nusantara Jaya JURNAL SURYA ENERGY Jurnal Informatika dan Rekayasa Elektronik GATOTKACA Journal (Teknik Sipil, Informatika, Mesin dan Arsitektur) Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer Journal Of Information And Technology Unimor (JITU) Journal Computer Science and Informatic Systems : J-Cosys Jurnal Multidisiplin Dehasen (MUDE) Jurnal Indonesia Raya Jurnal PADAMU NEGERI (Pengabdian pada Masyarakat Bidang Eksakta) Jurnal Dehasen Untuk Negeri Jurnal Media Computer Science Digital Transformation Technology (Digitech) Internet of Things and Artificial Intelligence Journal ANTHOR: Education and Learning Journal Jurnal Dehasen Mengabdi BEKTI : Jurnal Pengabdian Kepada Masarakat Jurnal Pengabdian Mandiri Jurnal Komputer, Informasi dan Teknologi
Hendri Alamsyah
Universitas Dehasen Bengkulu
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Penerapan Sistem Keamanan Web Menggunakan Metode Web Aplication Firewall Riska, Riska; Alamsyah, Hendri
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol. 11 No. 1 (2021): Amplifier Mei Vol. 11, No. 1 2021
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v11i1.16683

Abstract

The application of a security system on the web needs to be done considering that the web itself can be accessed through a public network. In this study, a Web Application Firewall (WAF)-based security system will be implemented using modsecurity, in which the purpose of implementing this web security system is to understand the concept of a security system on the web and pay attention to the results before the application of the firewall and after the application of the firewall on the web. This research uses experimental research methods, in this study the implementation of a web application firewall (WAF) using modsecurity as a web security system is carried out, then an analysis is carried out to get the right recommendations for a firewall as a web security system. The results of this study indicate that a firewall using the modSecurity module and rule based on the Web Application Firewall (WAF) on a web security system can block SQL Injection, Cross Site Scripting (XSS), and Command Execution by displaying an error message to the user who performs the command.
Designing a Virtual Lan Network Using Manageable Switches at Smkn 3 Bengkulu City Dwinata, Renaldo; Kalsum, Toibah Umi; Alamsyah, Hendri
Jurnal Media Computer Science Vol 4 No 2 (2025): Juli
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/jmcs.v4i2.8255

Abstract

This study aims to design a VLAN network using a manageable switch at SMKN 3 Kota Bengkulu. The research method used in this study is the PPDIOO method. The hardware used in the configuration of the Virtual LAN network design is a Mikrotik Haplite Rb941 4 port and a D-link manageable switch, while the software used for the configuration is the Windows 10 operating system and a web browser. Data collection was carried out by observation, laboratory studies, and literature studies. The results showed that the quality of the VLAN network was better than the actual network as measured by the parameters of throughput, packet loss, delay, and jitter. The throughput value on the actual network was 198 Kb (poor) and increased on the VLAN network by 1367 kb (good). The actual network delay value was 3.56 ms (moderate) and decreased on the VLAN network by 2.53 ms (good). The jitter value also decreased from 8.30 ms (moderate) to 7.45 ms (good). Meanwhile, the packet loss value on the actual network and VLAN are both 0% (very good). In addition, the performance of file transfer speed between PCs using VLAN networks is better than the actual network, which is 10.9 MB/s for the actual network and 11 MB/s for the VLAN network. The use of VLAN networks can also improve network security because it can separate teacher and administration PCs as evidenced by the two PCs not being connected when the ping test was carried out.
Analisa Sistem Keamanan Web Menggunakan OWASP Zed Attack Proxy (ZAP) Alamsyah, Hendri; Roynaldi, Tomy; Kalsum, Toibah Umi
Journal Computer Science and Information Systems : J-Cosys Vol 5, No 1 (2025): Maret
Publisher : Universitas Dharma Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53514/jco.v5i1.613

Abstract

Keamanan web sangat penting untuk menjaga integritas dan kerahasiaan data. Penelitian ini menganalisis keamanan dua situs web berbasis CMS WordPress dan menggunakan OWASP Zed Attack Proxy (ZAP) dengan Authentication Testing, Authorization Testing, dan Session Management Testing. Hasil pengujian menunjukkan bahwa CMS WordPress memiliki celah SQL Injection berisiko tinggi pada http://192.168.10.250/wp-comments-post.php dan 12 celah otorisasi berisiko sedang yang mengarah ke direktori penyimpanan web. Sebaliknya, CMS Drupal tidak ditemukan celah keamanan pada ketiga aspek pengujian. Kesimpulannya, CMS WordPress lebih rentan dibandingkan CMS Drupal, terutama dalam autentikasi dan otorisasi. Oleh karena itu, perlu mitigasi seperti kebijakan keamanan yang lebih ketat, pembaruan sistem berkala, serta penguatan metode autentikasi dan otorisasi untuk mengurangi risiko serangan.
Manajemen Jaringan Internet Berbasis Mikrotik Di SMKN 04 Kota Bengkulu Alamsyah, Hendri; Hepni, Hepni; Kalsum, Toibah Umi
Journal of Information and Technology Vol. 4 No. 2 (2024): Journal of Information and Technology Unimor (JITU)
Publisher : Department of Information Technology, Universitas Timor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jitu.v4i2.7592

Abstract

Jaringan komputer pada SMK N 04 Kota Bengkulu saat ini sudah terhubung ke jaringan internet, pemanfaatan jaringan LAN khusnya internet pada SMK N 04 Kota Bengkulu belummaksimal, karena masih sering terjadinya gangguan pada jaringan seperti jaringan lambat dan masih banyaknya konten yang tidak semestinya diakses. Penelitian ini bertujuan melakukan manajemen jaringan internet berbasis mikrotik di SMK N 04 Kota Bengkulu. Penelitian menggunakan metode eksperimental. Dengan adanya manajemenjaringan berbasis mikrotik diharapkan bisa mempelancarjaringan. Sehingga manfaat jaringan bias dirasakan dalam oleh pengguna SMA N 04 Kota Bengkulu. Manajemen Jaringan berbasis mikrotik pada SMA N 04 Kota Bengkulu dapat dapat digunakan dengan satu user name hanya bias mengkases jaringan pada satu perangkat, pembagian bandwith berdasarkan akun sesuai profil akun tersebut, manajemen bandwith dilakukan menggunakan profil yang terhubung ke simplequeue. Setelah melakukan manajemen jaringan berbasis mikrotik di SMA N 04 Kota Bengkulu jaringan dapat berjalan dengan stabil dan baik yaitu dengan hasil troughtput = 4.06, Rata-rata delay = 0.648, jitter = 0.018 dan PacketLost = 0%.
The Implementation of Internet-Based Computer Network at SMP Negeri 21 Central Bengkulu Hary Satria Pratama; Toibah Umi Kalsum; Hendri Alamsyah
Jurnal Komputer, Informasi dan Teknologi Vol. 1 No. 2 (2021): Desember
Publisher : Penerbit Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jkomitek.v1i2.220

Abstract

This study aims to design and build a computer network connection at SMP Negeri 21 Central Bengkulu. This study used an experimental research method. In this study, was carried out the performance of a proxy running on the system. From the results of the analysis, conclusions will be obtained regarding the benefits and more detailed functions of Mikrotik and SMB servers in the data or file sharing function. The results of this study show that the internet network has been running in accordance with what the writer hopes and can access the internet, clients from this server can also access the internet. As well as sending files using SMB server that has been determined by the writer. The SMB server can be used to send files that are placed on the Mikrotik router, so that the files can be accessed by connected to clients. Therefore in this study the writer only built LAN network using Mikrotik and sharing data with SMB Servers only.
Analysis and Application of Access Control List (ACL) Methods on Computer Networks Fadhil Azmi; Toibah Umi Kalsum; Hendri Alamsyah
Jurnal Komputer, Informasi dan Teknologi Vol. 2 No. 1 (2022): Juni
Publisher : Penerbit Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jkomitek.v2i1.642

Abstract

Advances in information technology are currently growing to meet the needs of humans who want to obtain information easily, quickly and precisely. Therefore, we must continue to pursue and improve the quality and quantity of information technology. The purpose of this study is to find out how to perform the analysis and application of the Access Control List (ACL) method in a computer network. Mikrotik RB750 router is good to use for network security both in terms of reliability and in terms of cost. The method of network security using a firewall and address list is good because it can perform network security and restrictions on addresses that can be accessed and cannot be accessed. With this computer network security, computer network users can get internet access and local network access that is stable and smooth.
A Decision Support System For The Selection Of Exemplary Students With AHP Method At SMP IT Generasi Rabbani Of Bengkulu City Wansa S Junizar; Dewi Suranti; Hendri Alamsyah
Jurnal Komputer, Informasi dan Teknologi Vol. 2 No. 1 (2022): Juni
Publisher : Penerbit Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jkomitek.v2i1.788

Abstract

To increase the enthusiasm of the students of SMP IT Generasi Rabbani Bengkulu, the school gave awards to exemplary students. By making an assessment of Morals, Academics and Worship. However, to determine the model students of SMP IT Generasi Rabbani Bengkulu, so far, they still use the manual calculation method which takes a lot of time and the risk of calculation errors is large. One method that can be used to solve the problem is the Analytical Hierarchy Process (AHP) method, because the AHP method is able to solve multicriteria problems with the stages of determining the priority of elements, making a pairwise comparison matrix of criteria and sub-criteria, normalizing the matrix, as well as ranking and decision results. This study aims to build a decision support system application for selecting exemplary students using Visual Basic. Net and SQL Server 2008r2 Database at SMP IT Generasi Rabbani Bengkulu therefore it can help the school to determine and select prospective exemplary students quickly and accurately based on predetermined criteria. From the results of functional testing carried out on the application, it is found that some of the functions contained in the application can run well. And the results of the comparison show that there are differences in the value of each student and are able to provide a ranking order of student scores from the highest to the lowest score. Based on the results of research conducted, the AHP method is able to provide convenience in the decision-making process quickly and precisely for the selection of exemplary students therefore the highest score is 0.53 and the lowest value is 0.24.
Intranet Network Design For E-Raport Server Access At Smk Negeri 5 Seluma Ovi Susanti; Toibah Umi Kalsum; Hendri Alamsyah
Jurnal Komputer, Informasi dan Teknologi Vol. 4 No. 1 (2024): June
Publisher : Penerbit Jurnal Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53697/jkomitek.v4i1.1737

Abstract

E-raport application is one of the efforts to control the quality of assessment, because e-raport application is a solution in reminding the limitations of existing resources and personal qualifications, with the aim of assisting educators in processing data on knowledge values, skills, spiritual attitudes, and helping to compile reports on assessment results. Research using experimental methods. Intranet is a private network (Private Network) that uses internet protocols (tcp/ip), to share confidential company information or operations within the company to its employees, while the private ip used on the intranet. Clients can perform or access e-raport application via the address smkn5seluma.net:7252. The intranet network at SMK N 5 Seluma runs smoothly with good network quality, where troughput = 0.8, packet loss = 0%, average delay = 0.563 and jitter = 0.76, these results are measured using Wireshark.
KKN-T Program: Environmental Education Through the Creation of Road Signs and Handicrafts from Recycled Materials for the Community of Pintu Batu Hafiz Pandu Tizaldi; Made Suardha Puspa; Nurul Aini; Putri Fajar Wati; Mupiansa Mupiansa; Dimas Aulia Trianggana; Merry Rullyanti; Hendri Alamsyah
Jurnal Pengabdian Mandiri Vol. 3 No. 1 (2026): Juni
Publisher : Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70963/mandiri.v3i1.1337

Abstract

Pintu Batu Village faces challenges regarding the completeness of environmental information infrastructure in the form of street signs and the management of inorganic waste, which has not been utilized creatively. This community service activity aims to improve environmental order and resident creativity through mutual cooperation, the installation of street signs in RT 02, and handicraft training using recycled materials. Furthermore, early childhood education regarding the importance of proper waste disposal was provided to the children of TK Cerdik Pintu Batu through engaging approaches such as morning exercises and collective coloring activities. The method employed is a participatory-educational approach involving coordination with local officials and direct handson practice with the residents. The results of the activity indicate an increase in citizen participation in mutual cooperation and the creation of recycled products such as flower pots from plastic bottle and beverage baskets from plastic cup waste. The existence of new street signs facilitates easier navigation within the neighborhood, while the educational activities at the kindergarten level strengthen the foundation of environmental awareness from an early age.
EVALUASI KINERJA PENERAPAN METODE UNEQUAL LOAD BALANCE MENGGUNAKAN PENDEKATAN NDLC BERDASARKAN PARAMETER QOS PADA JARINGAN SMKN 1 LUBUKLINGGAU septi Novita Sari; Hendri Alamsyah; Yoli Andi Rozzi
Jurnal Informatika dan Rekayasa Elektronik Vol. 9 No. 1 (2026): JIRE April 2026
Publisher : LPPM STMIK Lombok

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36595/jire.v9i1.1887

Abstract

SMKN 1 Lubuklinggau menggunakan dua penyedia layanan internet (ISP), yaitu Indihome dan Iconnet, untuk menunjang kegiatan belajar mengajar di laboratorium komputer. Namun, jaringan sering mengalami kendala seperti gangguan koneksi pada salah satu ISP dan pembebanan trafik yang tidak seimbang, sehingga memengaruhi stabilitas dan ketersediaan akses internet. Penelitian ini bertujuan untuk menganalisis dan mengimplementasikan metode Unequal Load Balance pada jaringan SMKN 1 Lubuklinggau guna mengoptimalkan penggunaan bandwidth dua ISP yang berbeda kapasitas, meningkatkan redundansi, dan menjaga kualitas layanan jaringan. Penelitian menggunakan metode Network Development Life Cycle (NDLC) yang meliputi tahap analisis, perancangan, simulasi, implementasi, pemantauan, dan manajemen. Implementasi dilakukan dengan konfigurasi router Mikrotik RB750 untuk membagi beban trafik secara proporsional berdasarkan bandwidth masing-masing ISP (35 Mbps Iconnet dan 20 Mbps Indihome), dilengkapi mekanisme failover. Hasil implementasi menunjukkan bahwa metode Unequal Load Balance berhasil mendistribusikan trafik secara seimbang antara kedua ISP. Mekanisme failover dapat beralih ke ISP cadangan dalam waktu 47 detik jika salah satu ISP mengalami gangguan. Quality of Service (QoS) sebelum dan setelah implementasi tetap stabil, dengan parameter throughput, packet loss (0%), delay (0.77 ms), dan jitter (0.341–0.342 ms) yang tidak mengalami penurunan signifikan. Implementasi Unequal Load Balance berhasil meningkatkan keandalan dan ketersediaan jaringan di SMKN 1 Lubuklinggau. Metode ini dapat menjadi solusi efektif untuk institusi pendidikan yang mengandalkan multi-ISP dengan kapasitas berbeda, tanpa mengorbankan kualitas layanan. Penelitian ini juga menyediakan konfigurasi praktis yang dapat direplikasi pada lingkungan jaringan sejenis.
Co-Authors Abdussalam Al Akbar Ade Manza Putra Ajis Azis Sumantri Ami Pradana Ananda, Rizky Anas Abdul Haqqi Anggi Dela Permata Sari Angram, Adevto Ayu Rahamnia Azmi, Fadhil Bibiola, Fifmianti Citra Dewi Citra Dewi Dariusman Dedi Apriadi Dewi Suranti Dimas Aulia Trianggana Dolly Apriansyah Duratul Nada Azura Dwinata, Renaldo Ega Karunia Utama Evi Lorita Evita Tri Elandiah Evryeni Jusmadi Ezrah Candra Situmorang Fadhil Azmi Fajar Amrullah Feby Elra Perdima Fina Nurmita Gita Citra Sari Hafiz Pandu Tizaldi Hari Aspriyono Harri Agustian Hary Satria Pratama Hebrian Ananda Hepni, Hepni Heri Budiarto Herlina Latipa Sari Herwanto, Prengki Rahmadan Indra Saputra Juwita Kanedi, Indra Kanedi Khairil Khairil Made Suardha Puspa Mardiana, Yessi Martoni Martoni Mas Agus Okto Riduan Merry Rullyanti Mupiansa Mupiansa Nurul Aini Ovi Susanti Putra Dwi Nurdiyanto Putri Fajar Wati Reza Rahmansa Rika Dwi Yulihartika Riska Riska Riska Riska Riska Riska Rita Prima Bendriyanti Rizka Tri Alinse Robert Ronaldo Rohanita Rohanita Roynaldi, Tomy sapri sapri Satriawan, Tedy Sawaludin, Prengki septi Novita Sari Shinta Wili Rahayu Suwarni Suwarni Suwarni Toibah Umi Kalsum Toibah Umi Kalsum Wansa S Junizar Yessi Mardiana Yoli Andi Rozzi Yoli Andi Rozzi Zefri Oktober Zulfiandy, Ricky