Which of the following rules appearing in an Internet firewall policy is inappropriate?
A. Source routing shall be disabled on all firewalls and external routers.
B. Firewalls shall be configured to transparently allow all outbound and inbound services.
C. Firewalls should fail to a configuration that denies all services, and require a firewall administrator to
re-enable services after a firewall has failed.
D. Firewalls shall not accept traffic on its external interfaces that appear to be coming from internal network
addresses.
