write short notes on firewall
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Firewall is a security barrier between two networks that screens traffic coming in and out of the gate of one network to accept or reject connections and services according to a set of rules
hamzasajed87:
A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) in order to block malicious traffic like viruses and hackers.
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Firewall is a security barrier between two networks that screens traffic coming in and out of the gate of one network to accept or reject connections and services according to a set of rules.
A firewall is like a secretary for a network which examines requests for access to the network.
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