Question

What is the role of firewalls?

Answer 1

1. A firewall is a computer network security-based system that monitors and controls the incoming and outgoing network traffic based on predefined security rules.
2. A firewall commonly establishes a block between a trusted internal computer network and entrusted computer outside the network.
3. They are generally categorized as network-based or host-based. Network-based firewalls are positioned on the gateway computers of LANs [local area Network], WANs [Wide Area Network], and intranets.