Question

what is firewalls functions?

Answer 1

Hello

Firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.A firewall typically establishes a barrier between a trusted internal network and untrusted external network, such as the Internet.

Answer 2

Its purpose is to control what traffic is allowed to traverse from one side to the other. As the most basic level , firewalls can block traffic intended for particular IP addresses or server ports...