Question

What type of firewall blocks packets based on IP address or port?

Application layer firewall

stateful firewall

packet filter firewall

MAC filter firewall

Answer 1

Packet Filter Firewall

Step-by-step explanation:

• Packet Filtering Firewall is responsible for filtering the packets based on the IP addresses (source and destination), source and destination port numbers and also the source and destination protocols.
• These firewalls operate at the junctions such as switches and routers.
• Packets that don't meet required criteria are dropped and they cannot further forwarded.
• It is not fully secured and can be used by the malicious attackers.
• So, option (c) is Correct.
• Option (a), Application Layer Firewall is a firewall at the application level not at the packets level.So, option (a) is not the correct option.
• Option (b), Stateful firewall is different and it is not the correct answer.
• Similarly, option (d) is not the correct answer.