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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application-level firewall
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buffer overflow attack
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Host Firewall
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honey net
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Detailed explanation-1: -A proxy firewall is also be called an application firewall or gateway firewall. A proxy firewall is also a proxy server, but not all proxy servers are proxy firewalls. A proxy server acts as an intermediary between clients and servers.
Detailed explanation-2: -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-3: -Explanation: An application gateway firewall, also called a proxy firewall, filters information at Layers 3, 4, 5, and 7 of the OSI model. It uses a proxy server to connect to remote servers on behalf of clients.
Detailed explanation-4: -NGFW includes higher levels of security than packet-filtering and stateful inspection firewalls. Unlike traditional firewalls, NGFW monitors the entire transaction of data, including packet headers, packet contents, and sources.