Monday, 5 November 2012

Its primary objective is to control the incoming and outgoing network traffic by analyzing the data packets and determining whether it should be allowed through or not, based on a predetermined rule set

This means the file is a program that can run and may be about to cause some harm. More sophisticated firewalls allow key words to be blocked so if a web site contains them the site cannot be accessed.

As well as blocking web sites, most firewalls that companies use will block certain file types that might cause problems, for example, those with the file extension .exe

Firewalls are programs that run on your computer and check all the sites that users try and access on the Internet. If the site has been blocked then access will be prevented

Make sure your password is nothing you won’t be able to remember like fgfhghgg just keep it simple and unique to you

Don’t ever put your name as your  password e.g. Matthew

Make your password unique to you nothing like abc or 123

If you use social networking sites make sure it is your own personal view!

Do not give out sensitive details to website you are unsure about