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All Journal PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Jurnal Jaringan Komputer dan Keamanan (JJKK)
Muhammad Reihan Pratama
Universitas Bina Darma
Computer Science & IT Decision Sciences, Operations Research & Management

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Application of Hardening for WLAN Security Optimization in the IT Services Division at PT PUSRI Muhammad Reihan Pratama
Jurnal Jaringan Komputer dan Keamanan Vol 6 No 3 (2025): Jurnal Jaringan Komputer dan Keamanan
Publisher : Institute of Information Technology and Social Science (IITSS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61346/jjkk.v6i3.248

Abstract

Computer networks typically use two primary transmission methods: wired and wireless networks, commonly referred to as Wireless Local Area Networks (WLANs). In WLAN implementations, the standard security mechanism frequently adopted is Wi-Fi Protected Access 2 Pre-Shared Key (WPA2-PSK), which relies on an SSID and password. Despite this security mechanism, criminal activities such as unauthorized access and network intrusions continue to occur. Therefore, it is essential to enhance network security to ensure that WLAN environments remain secure and capable of minimizing potential risks to users. This study aims to improve and optimize WLAN network security by conducting vulnerability scanning using Nessus to assess existing security conditions, followed by the implementation of hardening techniques to strengthen and obscure vulnerabilities. Hardening includes several approaches such as applying raw firewalls and firewall filters, restricting ports and services, disabling unnecessary services, disabling the MikroTik Neighbor Discovery Protocol (MNDP), and implementing port knocking as an additional layer of protection. The findings indicate that applying vulnerability scanning alongside a structured hardening strategy significantly minimizes identified risks and enhances the overall resilience of the WLAN network against intrusions and security threats.
Implementation of Hardening for Optimization of Wireless Local Area Network Security Rahmat Novrianda Dasmen; Muhammad Reihan Pratama
PIKSEL : Penelitian Ilmu Komputer Sistem Embedded and Logic Vol. 13 No. 1 (2025): Maret 2025
Publisher : LPPM Universitas Islam 45 Bekasi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/piksel.v13i1.9957

Abstract

Computer networks use two main methods for data transmission, namely wired and wireless networks or what is known as a Wireless Local Area Network (WLAN). In WLAN networks, the security standard usually used is the WiFi Protected Access 2 Pre-Shared Key or WPA2-PSK protocol, which utilizes SSID and password. Despite using security mechanisms such as WPA2-PSK, criminal activities such as intrusion into the network still occur. Therefore, it is necessary to improve the network security system to ensure that the WLAN network is more secure and can minimize potential risks to users. This study aims to improve and optimize the WLAN network security system through vulnerability scanning using the Nessus tool to test the level of security on the WLAN network and the application of hardening methods to strengthen and disguise vulnerabilities on the WLAN network, which includes various security techniques such as applying raw firewalls and firewall filters, limiting ports and services used and disabling services that are not needed to minimize vulnerabilities, disabling the Mikrotik neighbor discovery protocol service on the router, and implementing port knocking as an additional layer of security. The results of the study show that applying vulnerability scanning techniques and hardening methods can help minimize the level of risk of vulnerabilities found and make the resilience of the WLAN network more optimal so as to avoid potential intrusions and threats of attacks.
Co-Authors Rahmat Novrianda D