A host based firewall uses a virtual machine within which code is executed. The code inspects network packets and implements decision rules regarding packet acceptance and forwarding. Which host based firewall does this describe?
- Transparent firewall
- nftables
- Windows Defender
- Application Gateway Firewall
Explanation: Nftables is a Linux firewall application that uses a simple virtual machine in the Linux kernel. Code is executed within the virtual machine that inspects network packets and implements decision rules regarding packet acceptance and forwarding.
Exam with this question: 3.5.9 Check Your Understanding – Firewall and Host-Based Intrusion Prevention
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