How to Restrict Network Access Using FirewallD
Sección: Seguridad y Redes
Creado: 16-07-20 (Actualizado: 29-01-21)
As a Linux user, you can opt either to allow or restrict network access to some services or IP addresses using the firewall in RHEL, CentOS, and Fedora.
https://www.tecmint.com/restrict-network-access-using-firewalld/