COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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stateless inspection
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statefull inspection
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spoofing
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social engineering
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Detailed explanation-1: -A packet-filtering firewall examines packets in isolation and does not know the packet’s context. A stateful inspection firewall examines network traffic to determine whether one packet is related to another packet.
Detailed explanation-2: -A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization’s previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.
Detailed explanation-3: -The packet filtering firewall filters IP packets based on source and destination IP address, and source and destination port.
Detailed explanation-4: -Type 1: Packet-Filtering Firewalls As the most “basic” and oldest type of firewall architecture, packet-filtering firewalls create a checkpoint at a traffic router or switch.