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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HIDS
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Content filter
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DMZ
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Packet-filtering firewall
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Detailed explanation-1: -Software-based firewalls provide individual devices significant protection against viruses and other malicious content. They can discern different programs running on the host, while filtering inbound and outbound traffic.
Detailed explanation-2: -Packet-filtering firewalls make processing decisions based on network addresses, ports, or protocols. Packet-filtering firewalls are very fast because there is not much logic going behind the decisions they make. They do not do any internal inspection of the traffic. They also do not store any state information.
Detailed explanation-3: -Packet-filtering Firewalls. Circuit-level Gateways. Application-level Gateways (Proxy Firewalls) Stateful Multi-layer Inspection (SMLI) Firewalls.