Functions of Firewall
- Every piece of data that enters or leaves a computer network must go via the firewall.
- If the data packets are safely routed via the firewall, all of the important data remains intact.
- A firewall logs each data packet that passes through it, enabling the user to keep track of all network activities.
- Since the data is stored safely inside the data packets, it cannot be altered.
- Every attempt for access to our operating system is examined by our firewall, which also blocks traffic from unidentified or undesired sources.
Introduction of Firewall in Computer Network
A firewall is a network security device that prevents unauthorized access to a network. It monitors both incoming and outgoing traffic using a predefined set of security to detect and prevent threats.
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