ERY SETIYAWAN JULLEV ATMADJI; BEKTI MARYUNI SUSANTO; KHUSNUL HOTIMA. Kombinasi Port Knocking Dan VPN Guna Pengamanan Akses Secure Shell Pada Cloud Computing. Teknomatika: Jurnal Informatika dan Komputer, [S. l.], v. 12, n. 1, p. 8–13, 2019. Disponível em: https://ejournal.unjaya.ac.id/index.php/teknomatika/article/view/122. Acesso em: 18 jan. 2025.