Hartika Zain, R. ., Devita, R. ., -, I. and Eka Putra, O. (2022) “IMPLEMENTATION OF VPN SERVER USING L2TP PROTOCOL AND IPSEC METHODS AS NETWORK SECURITY”, Jurnal Ipteks Terapan, 16(4), pp. 754–760. doi: 10.22216/jit.v16i4.2004.