Which type of firewall blocks packets based on rules that are based on IP addresses or ports?
A.
packet filtering
B.
stateful packet inspection
C.
NAT filtering
D.
Application-level gateway
Explanation:
Section Reference: Defining Firewalls and Other Perimeter Security Devices
Packet filtering inspects each packet that passes through the firewall and accepts or rejects it based on a set
of rules. A stateless packet filter, also known as pure packet filtering, is based on IP addresses andport
numbers.