WANG, Peihong. Research on firewall technology and its application in computer network security strategy. Frontiers in Computing and Intelligent Systems, [S. l.], v. 2, n. 2, p. 42–46, 2022. DOI: 10.54097/fcis.v2i2.3931. Disponível em: https://drpress.org/ojs/index.php/fcis/article/view/3931. Acesso em: 29 may. 2026.