See why even a simple firewall is better than nothing
Deciding which type of firewall to use depends on what you're trying to protect. In this edition of Internet Security Focus, Jonathan Yarden breaks down the differences between software and hardware firewalls, and he discusses situations in which advanced firewall features are necessary.
Because public Internet addresses are readily accessible from anywhere in the world, even a simple dial-up Internet connection with a public IP address exposes your computer to the rest of the world while you're connected. This means anyone on the Internet can identify your computer—and perhaps scan it to see whether it's running vulnerable software or services. That's why you need to implement a firewall to try to protect it. See why even a simple firewall is better than nothing
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