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A Firewall is "Border Control" For Your Home Business Computer
If you are using a small/home business computer, using a firewall is the most effective and important step you can take to protect your computer.
A good firewall can be both hardware and software. All networks/computers have ports (entry points) that allow traffic (e.g. email) to come in and out. Simply put, a firewall will block and inspect traffic that passes through your Internet connection.
So, in essence, a firewall helps screen out hackers, viruses, and worms that try to get to your computer over the Internet. More like old-fashioned border control.
Regardless of how you are connected to the Internet – modern dial-up, modern cable or digital subscriber line (DSL or ADSL), make sure you use a firewall.
My advice, which I got from my computer repair guy, is to turn on your firewall and antivirus software before connecting to the Internet.
You can check if your firewall is enabled:
Click Start and Control Panel. Click Security Center and then Firewall. You can also check the manuals for home network devices, such as wireless access points or broadband routers, to determine if they have built-in hardware firewalls.
If you don’t know if you have a software firewall installed on your computer, you can check under All Programs. Look for a firewall program.
Thank goodness there’s always your computer repair professional to guide you and help you if you find it difficult or confusing.
If you have more than one computer in your home or small business, you’ll need to check that each one is covered. Therefore, enabling the firewall on every connection will help prevent the virus from spreading from one computer to another if one unfortunately becomes infected.
If you are using Open Source (OOS) software, make sure you are set up correctly, even if (OOS) has a reputation for being less vulnerable to hackers etc, better safe than sorry as they say!
A little warning – no firewall (or antivirus software) can stop malicious code once you receive it, for example if you click yes to install antivirus software if you already have it or if that’s what you’re talking about you’ve never heard of.
A firewall won’t make your computer completely secure, you’ll still need anti-virus and anti-spyware software.
So that’s it!
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