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All Journal Jurnal Multidisiplin Dehasen (MUDE)
A.R. Walad Mahfuzhi
Universitas Muhamadiyah Bengkulu
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Optimization Of The University Network At Muhammadiyah University Of Bengkulu Using Network Simulator-2 (Ns-2) Dela Trimiyarti; A.R. Walad Mahfuzhi; Yulia Darmi; Khairullah Khairullah
Jurnal Multidisiplin Dehasen (MUDE) Vol 5 No 4 (2026): Oktober
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/mude.v5i4.12488

Abstract

Campus internet networks have an important role in supporting academic activities and digital services at Universitas Muhammadiyah Bengkulu. The increasing number of users and internet traffic has caused a decline in network quality, especially in Quality of Service (QoS) parameters such as Delay, Throughput, Packet loss, and Jitter. These conditions often occur during lecture hours, e-learning access, streaming activities, and other campus activities. This study aims to determine the performance condition of the campus network, model the network using Network Simulator-2 (NS-2), and analyze the effect of implementing network optimization scenarios on improving network performance. The research method uses network simulation with the NS-2 application on Linux Ubuntu through 20 simulation scenarios consisting of 10 scenarios before optimization and 10 scenarios after optimization. The optimization parameters applied include reducing backbone Delay from 10 ms to 1 ms, increasing queue buffer capacity from 50 to 200, implementing the RED queue method, configuring static nodes, and increasing the data rate to 54 Mbps. The results showed that the network condition before optimization had an average QoS index of 1.70 or 42.5% categorized as poor. The highest Delay reached 3103.48 ms, the lowest Throughput was 8.55%, the highest Packet loss reached 91.45%, and the highest Jitter reached 1619.48 ms. After optimization, the average QoS index increased to2.37 or 59.25% categorized as less satisfactory. The best Delay decreased to 6.05 ms, Throughput increased up to 100%, Packet loss decreased to 0%, and the best Jitter reached 3.01 ms. These results indicate that optimization using NS-2 is able to improve the quality of campus network services.
A Laravel-Based Digital Archive Management Application for the Population and Civil Registration Office Muhammad Nabil Muhtarom; A.R. Walad Mahfuzhi; Ujang Juhardi; Gunawan Gunawan
Jurnal Multidisiplin Dehasen (MUDE) Vol 5 No 4 (2026): Oktober
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/mude.v5i4.12567

Abstract

The development of information technology has encouraged government institutions to undergo digital transformation in document management to improve the quality of public services. One of the most common problems is the manual archive management process, which results in lengthy document retrieval, a high risk of archive loss, and reduced employee work efficiency. This study aims to design and develop a Laravel-based digital archive management application for the Department of Population and Civil Registration (Disdukcapil) of Rejang Lebong Regency and to produce a system that is easy for staff to understand and use in storing and retrieving population administration documents. This research employed a qualitative approach, with data collected through observation, interviews, and documentation studies. The system was developed using the Prototype development method, enabling user requirements to be refined through an iterative evaluation process. The application was built using the Laravel framework with a MySQL database and provides features such as user authentication, a dashboard, archive management for application forms (blangko), Family Cards (Kartu Keluarga), Identity Cards (KTP), and document search functionality. The implementation results indicate that the application improves the efficiency of archive storage, accelerates document retrieval, reduces the risk of losing physical archives, and assists staff in managing documents in a more organized and structured manner. Black Box testing demonstrated that all major system functions operated in accordance with user requirements. The novelty of this research lies in the development of a digital archive management application specifically designed to support population administration archive management at the Department of Population and Civil Registration of Rejang Lebong Regency using the Laravel framework and a Prototype approach that focuses on user needs..
Wireless Network Security Against Intruder Attacks Using the RSA Method Kevin Alfareza; RG Guntur Alam; A.R. Walad Mahfuzhi; Dedy Abdullah
Jurnal Multidisiplin Dehasen (MUDE) Vol 5 No 4 (2026): Oktober
Publisher : LPPJPHKI Universitas Dehasen Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/mude.v5i4.12573

Abstract

The rapid development of wireless network technology has provided ease in communication and exchange of information quickly and flexibly. However, the characteristics of open transmission media cause wireless networks to have a high level of vulnerability to various security threats, such as eavesdropping and access by unauthorized parties (intruders). The threat has the potential to cause information leakage and reduce data confidentiality during the transmission process. To overcome these problems, a security mechanism is needed that is able to maintain the confidentiality of information when data is transmitted over the network. This study aims to evaluate the application of RSA algorithm as a cryptographic method in improving the security of wireless networks from intruders. The research approach used is an experimental Research method by building a wireless network environment, implementing the RSA algorithm in the process of encryption and decryption of data, then perform a simulation attack to assess the level of system security. The tests were carried out in two conditions, before and after the implementation of the RSA algorithm, so that the effectiveness of the applied methods can be objectively compared. The evaluation was conducted by taking into account several indicators, including data confidentiality, data integrity, the ability of the system to prevent unauthorized access, and the effect of the application of the RSA algorithm on network performance. The results are expected to show that the use of RSA algorithm is able to increase the level of wireless network security through the process of data transformation from plaintext to ciphertext. Thus, the data successfully obtained by unauthorized parties cannot be understood without the corresponding private key. Based on these results, the RSA algorithm can be used as an alternative solution to strengthen data protection on wireless networks against the threat of eavesdropping and unauthorized access.
Co-Authors Dedy Abdullah Dela Trimiyarti Gunawan Gunawan Kevin Alfareza Khairullah khairullah Muhammad Nabil Muhtarom RG Guntur Alam Ujang Juhardi Yulia Darmi