COSTEA, E.-R. Firewall Technologies. Advantages and Limitations. International Conference on Cybersecurity and Cybercrime, [S. l.], v. 6, p. 25–30, 2019. DOI: 10.19107/CYBERCON.2019.04. Disponível em: https://www.proceedings.cybercon.ro/index.php/ic3/article/view/2019-04. Acesso em: 12 jun. 2026.