試題詳解

13. When designing firewall rules to prevent IP spoofing, which of the following principles should you follow?
(A) Packers with internal source IP addresses don't enter the network from the outside.
(B) Packets with internal source IP addresses don't exit the network from the inside.
(C) Packets with public IP addresses don't pass through the router in either direction.
(D) Packets with external source IP addresses don't enter the network from the outside.