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What is Network Firewall ?

What is Network Firewall ?

what is firewall
Network Firewall

The term firewall originally referred to a wall intended to confine a fire or potential fire within a building.

In Internet Networking, Network Firewall can be either the same concept that is to secure a network environment, it can be either software or hardware based.

The Primary objectives is to control an incoming and outgoing network traffic by analyzing data packets and determine it should be allow through or not base on the what rules set on it.

Network firewall builds a bridge between internal network that is assume to be secure and trusted and another network usually external network ( such as internet that is not assumed to be secure and trusted )
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