Windows has an effective firewall built in, your home network adds another protective layer, and your security suite has a ...

Personal firewalls are available from numerous security vendors, and Windows XP includes its own (see Windows Firewall). For home and small business networks, a router with a built-in firewall is ...

The concept of a firewall—a hardware or software defense against network attack—goes back to the days of mighty mainframe computers. The idea of equipping a personal computer with firewall ...

A VPN firewall is a hardware appliance or software package that provides both firewall and VPN capabilities. Learn the full ...

It often refers to a personal firewall in a user's computer, but software firewalls may be installed in servers as well. Contrast with hardware firewall. See personal firewall. THIS DEFINITION IS ...