Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. A firewall is an essential security tool for ...

How important is having a firewall? Is there a good free firewall on the Net, or should I buy a firewall from Earthlink? Thanks for your help. - Louise Very important. A good firewall will make your ...

If you are considering high-speed Internet access such as a cable modem or digital subscriber line, you should also get serious about protecting the information on your computer by looking at a ...

Do you feel secure when you open your laptop? But do you know what makes using your PC and browsing the internet so safe? Today, we’ll talk about a firewall – a basic but important part of any ...

OK, I wanna set up a firewall/proxy server for use on my personal network. I say personal because I'm already wired to my school's netork and I'm sick of getting hacked, ping bombed, etc etc.

What Does a Firewall Do To Protect My Home Network Your email has been sent Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in ...