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What is a firewall


Firewall What is Firewall? A firewall is a network security device located between your internal network and the wider Internet. A firewall monitors incoming and outgoing network traffic – blocking or allowing it based on a set of configurable rules. Firewalls are a fundamental piece of security and typically form the first line of defence on a network. Acting as ...

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What is a firewall?

What is a Firewall? and How Does It Work? Introduction A firewall is a system that provides network security by filtering incoming and outgoing network traffic based on a set of user-defined rules. In general, the purpose of a firewall is to reduce or eliminate the occurrence of unwanted network communications while allowing all legitimate communication to flow freely. In ...

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