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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Packet Filtering Gateway
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Application Layer Gateway
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Circuit Level Gateway
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Statefull Multilayer Inspection Firewall
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Detailed explanation-1: -The most common type of firewall available today is the Next-Generation Firewall (NGFW), which provides higher security levels than packet-filtering and stateful inspection firewalls.
Detailed explanation-2: -Proxy servers are the most secure type of firewall, as they filter packets through a protected proxy server. This is done before traffic even reaches the network perimeter.
Detailed explanation-3: -Explanation: Stateful multilayer firewalls are also called second generation firewalls.
Detailed explanation-4: -Next-Generation Firewalls Sitting at the top of the firewall hierarchy are the next-generation firewalls (NGFWs). On top of packet filtering and stateful inspection, NGFWs also have additional features. That includes DPI, intrusion detection system/intrusion prevention system (IDS/IPS), and malware protection.