Rancang Bangun Keamanan Port Secure Shell (SSH) Menggunakan Metode Port Knockking. INSANtek [Internet]. 2022 May 31 [cited 2026 May 25];3(1):1-5. Available from: https://jurnal.bsi.ac.id/https:/jurnal.bsi.ac.id/index.php/insantek/article/view/552