What are the functions of Firewall?
Firewall is a security system used to protect computer networks from security threats and cyber attacks. The firewall monitors and controls the movement of data traffic between the protected network and external networks, based on a set of policies and rules that are configured. Here are some of the functions of the firewall device: Data traffic monitoring: The firewall determines whether data should be allowed or blocked based on the specified rules. Separates trusted and untrusted data traffic