Satriawan, Edy, et al. “IMPLEMENTASI IPS BERBASIS PORTSENTRY DAN VULNERABILITY ASSESMENT BERBASIS OPENVAS UNTUK PENGAMANAN WEB SERVER”. Jurnal Bumigora Information Technology (BITe), vol. 1, no. 1, July 2019, pp. 78-88, https://doi.org/10.30812/bite.v1i1.424.