What is a firewall?
A firewall is a network security system that is designed to protect an organization’s computer network from unauthorized access and intrusions. Firewalls can be either hardware or software-based, and they work by blocking certain types of traffic from entering or leaving a network.
Types of Firewall
There are two main types of firewall: packet-filtering firewalls and stateful inspection firewalls.
Packet-filtering firewalls are the most basic type of firewall. They work by inspecting each packet of data that travels through the network and determining whether it should be allowed to pass or not. If the packet is …