COMPUTER THREATS SECURITY
WHAT IS A FIREWALL IN NETWORK SECURITY
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Question
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Below is how Firewall works, except
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Packet filtering
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Proxy service
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Data transfer
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Stateful Inspection
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Explanation:
Detailed explanation-1: -How do firewalls work? A firewall decides which network traffic is allowed to pass through and which traffic is deemed dangerous. Essentially, it works by filtering out the good from the bad, or the trusted from the untrusted.
Detailed explanation-2: -A network firewall is a security device that monitors all incoming and outgoing traffic on a private network. Network firewalls work like device-specific firewalls, but they protect an entire network by blocking unauthorized access, which protects all the devices connected to that network.
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