What is a firewall and how does it work?

What is a firewall?

A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.

How does a firewall work?

Firewalls work by filtering traffic between your network and the internet, allowing or blocking data packets based on security settings.

What are the different types of firewalls?

There are several types of firewalls, including packet-filtering firewalls, stateful inspection firewalls, and application-layer firewalls.

Why do I need a firewall?

A firewall helps protect your network from unauthorized access, cyber threats, and can prevent data breaches.