Firewalls aren't just for the perimeter anymore. A desktop firewall can help block and control hostile code and intruders from infiltrating your users' client machines on the LAN, at a remote office or on the road.

That's why many organizations use desktop firewalls for their telecommuters, laptops and any machine directly connected to the Internet. These far-flung machines can be especially vulnerable because they often give the end user administrator access, leaving a door open for Trojans, spyware and unauthorized services.

By Mike DeMaria at Network Computing.

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