Firewall: What is a firewall?



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CFY-Operating Systems


Lab 9

Firewalls, anti-virus software.



Topics


Firewall:


Windows Firewall
Youtube video on Firewalls: http://www.youtube.com/watch?v=vlnBdgIVgNA

This video is 15 minutes long so we recommend you watch it on your own time.


Theory 1 : Research what is meant by a firewall.
Write down a brief description in your own words.

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Use your VMWare account to carry out this lab sheet.
Task 1: Turn on the firewall in Windows 7, if it’s not already on. How did you do this?
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Refer to:

http://windows.microsoft.com/is-IS/windows7/Turn-Windows-Firewall-on-or-off
You can have different security settings for your computer at home/work (private) versus public. Public would be using your computer when on a train or in a cafe or hotel.



Allow Programs communicate through the Firewall
Task 2: What is the exceptions list of a firewall used for? How do you use it?

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