NETWORK SECURITY
FIREWALLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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filters web content requests like URL, domain, media, etc.
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is placed in front of web servers to hide, protect, offload and distribute access to web servers
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probes a computer for open ports
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None of the above
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Detailed explanation-1: -The packet filtering firewall filters IP packets based on source and destination IP address, and source and destination port. The packet filter may lack logging facilities, which would make it impractical for an organization that has compliance and reporting requirements to which they must adhere.
Detailed explanation-2: -Proxy firewalls, also known as application-level firewalls, filter network traffic at the application layer of the OSI network model.
Detailed explanation-3: -A proxy firewall is the most secure form of firewall, which filters messages at the application layer to protect network resources.
Detailed explanation-4: -Network layer Firewall can filter on Source And Destination IP address, Source and Destination Port no for both TCP and UDP packet.