Firewalls

Question 1

What are the three types of firewalls?

Answer 1

Edge firewall
Appliance Firewall
Network Firewall

Question 2

Describe an Edge Firewall

Answer 2

Firewall software running on a server or workstation.

Protects a single computer from attacks directed against it.

Question 3

Describe a Firewall Appliance

Answer 3

An appliance firewall is a device whose sole
function is to act as a firewall

Question 4

Describe the two types of Network Firewalls

Answer 4

Router/Bridge based Firewall
– A firewall running on a bridge or a router protects anything from a group of devices to an entire network.
- For example Cisco and Mikrotik routers have firewall features in their operating systems.

Computer-based Network Firewall
– A network firewall runs on a computer (such as a PC
or Unix computer). (IPTables)
- These firewalls are some of the
most flexible.