Novianto, Dian, Lukas Tommy, and Yohanes Setiawan Japriadi. 2021. “Implementation of a Network Security System Using the Simple Port Knocking Method on a Mikrotik-Based Router”. Jurnal Komputer, Informasi Dan Teknologi 1 (2):407–417. https://doi.org/10.53697/jkomitek.v1i2.375.