NET-04.1: Does the organization configure firewall and router configurations to deny network traffic by default and allow network traffic by exception (e.g., deny all, permit by exception)?

Mechanisms exist to configure firewall and router configurations to deny network traffic by default and allow network traffic by exception (e.g., deny all, permit by exception).

Description

Mechanisms exist to configure firewall and router configurations to deny network traffic by default and allow network traffic by exception (e.g., deny all, permit by exception).