What is firewall in a computer and why it is important in network security goo.gl/VzmUB4

What is a Firewall? and Why is it Important for Network Security?

Firewalls have become a term of common usage when we talk about network security. But what is firewall protection and what does a firewall do?

gustavo the main stream is not working... 7 months ago
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Pankaj Sharma Hi
Kindly try again, it should work!
5 months ago
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