JALAL SAMI MAJID. Building A Firewall And Intrusion Detection System Dased Network Security System Using Opnsense Tools. Iraqi Journal of Intelligent Computing and Informatics (IJICI), [S. l.], v. 4, n. 1, p. 66~76, 2026. Disponível em: http://ijici.edu.iq/index.php/1/article/view/81. Acesso em: 17 apr. 2026.