“IMPLEMENTASI VIRTUAL PRIVATE NETWORK OVER GRE TUNNEL” (2017) JITK (Jurnal Ilmu Pengetahuan dan Teknologi Komputer), 3(1), pp. 1–8. Available at: https://ejournal.nusamandiri.ac.id/ejurnal/index.php/jitk/article/view/330 (Accessed: 12 February 2026).