Desmira D, Wiryadinata R. Rancang Bangun Keamanan Port Secure Shell (SSH) Menggunakan Metode Port Knockking. INSANtek [Internet]. 2022May31 [cited 2024May5];3(1):1-5. Available from: http://jurnal.bsi.ac.id/index.php/insantek/article/view/552