Nurpalaha, Rifki, 		Zaelania, Moch, 		Artemysia, Khaulyca, AND 		FahruRoji, Fikri.
" Implementation of a Computer Network Security System Using the Random Port Knocking Method on the Linux Operating System at Insan Prima Mandiri Vocational School" <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], Volume 69 Number 3 (4 December 2025)