Denial of Service (DoS) menjadi ancaman siber serius dan berdampak destruktif karena dapat melumpuhkan target dengan membanjiri traffic dalam jumlah besar. Router sebagai gateway memegang peranan vital dalam jaringan, jika fungsinya terganggu maka akan berdampak langsung terhadap performa jaringan keseluruhan. Penelitian ini bertujuan untuk menganalisis pengamanan jaringan dari DoS menggunakan router mikrotik dengan memanfaatkan fitur-fitur keamanan bawaan dan menilai tingkat keefektifannya. Dengan menggunakan metodologi PPDIOO, terdapat enam kondisi router yang diujikan terhadap DoS dengan lima indikator yang diukur. Hasil yang diperoleh bahwa pengamanan dengan firewall raw pada kondisi 6 menjadi yang paling efektif dan efisien dibandingkan kondisi lainnya. Konsumsi CPU berhasil diturunkan hingga 20% dan ping response time kembali ke kondisi normal, serta proses deteksi dan blokir sudah terotomatisasi. Namun, seluruh pengamanan dengan fitur-fitur keamanan bawaan dinilai tidak efektif dalam menghadapi DoS, karena terbukti konsumsi CPU masih tinggi, traffic DoS juga tidak dapat dinihilkan, hanya latensi yang dapat dinormalkan.
In early 2020, LAPAN launched the latest version of the website with updated look and features. The problem is that the quality of the LAPAN website has not been able to satisfy users. This study aims to determine the effect of the LAPAN website on user satisfaction with the WebQual method. Respondents are LAPAN employees at the LAPAN Work Unit who have used or interacted with the LAPAN website. The number of samples taken 193 respondents by purposive sampling based on the Slovin formula. The validity and reliability test results of the research instruments are valid and reliable because they meet the requirements. The results are (1) the multiple regression equation model to user satisfaction is Y = 0.305 + 0.067 Usability + 0.016 Information Quality + 0.037 Service Interaction Quality; (2) the Usability, Information Quality, and Service Interaction Quality variables have a positive and significant effect on LAPAN website user satisfaction; (3) the Usability variable and Service Interaction Quality variable have positive and partially significant effect on LAPAN website user satisfaction, while the Information Quality variable has no positive and significant effect on LAPAN website user satisfaction; and (4) Usability, Information Quality and Service Interaction Quality variables contributed 58.4% to LAPAN website user satisfaction, while the remaining 41.6% was influenced by other independent variables.
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