![]() ![]() But what about the public hotspots you use when you travel?Īnd it makes sense to run a firewall on your computer even when you're behind a residential router or corporate firewall. You might beĬomforted by the knowledge that your portable computer is protected by a corporate firewall when you're at work and that you use a firewalled broadband connection at You'll want to be sure that all network connections are protected by a firewall. Using a firewall is simple, essential, and often overlooked. A firewall provides a barrier between your computer and the network to which it's connected by preventing theĮntry of unwanted traffic while allowing transparent passage to authorized connections. Once your computer is connected to the Internet, itīecomes just another node on a huge global network. Typically, the first line of defense in securing your computer is to protect it from attacks by outsiders. ![]()
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