What a firewall actually does (and its limits) | cybersecurity interview
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YouTubeThe Cyber Round
What a firewall actually does (and its limits) | cybersecurity interview
A firewall decides which traffic gets through, not whether that traffic is safe. It enforces rules on connections by source, destination, and port, and the strong default is deny everything except what you explicitly allow. Two open doors instead of 65000 is a smaller target. It sits between networks and checks each packet or connection against ...
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