Firewalls

Introduction
A firewall is a piece of hardware or software which looks at network traffic passing through it and either allows the traffic through or blocks it.



Firewall Video
media type="youtube" key="6UtiQwCX2wU" height="390" width="640"

Task
Investigate 3 different firewall products. Write a review of each product, including 5 key features which each provides.

(Note: This task forms part of your assessment)

Firewall image adapted from work by Harald Mühlböck and Christy (Robyn's Nest on Flickr)