Firewalls are located between the user's computer and the external network and filter incoming and outgoing traffic according to the established rules.
Firewall rules can be based on:
The firewall software will alert the user when unknown or new software tries to access external data sources.
In short, firewalls are an essential tool in the fight against hackers and malware.
Most operating systems include a firewall.
Functions of firewalls:
Packet filtering (Static Filtering)
1. Explain why we use firewall.
2. Name three functions of firewall.
Ex. 1 (Prepared by Sabina, Rimma, Elaman, grade 12, group 1, 2021)
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