Firewalls In computer terms, a firewall is a boundary system that sits between two networks and enforces a security policy that determines what information is allowed to pass between them. The networks in question are typically a corporate, or private,...

A firewall is an electronic barrier that prevents unauthorized access to a network. The role of a firewall is to ensure that all communications between a network and the Internet, in both directions, conform to the criteria established by the...

A firewall is a dedicated appliance, or software running on another computer, which inspects network traffic passing through it, and denies or permits passage based on a set of...

The writing's on the Wall: Ford limps and wheezes through latest action thriller FIREWALL Directedby Richard Loncraine Warner Bros., opens February 10 FIREBOMB Figuring we spend February either catching up with Oscar nominees or never leaving home at all,...

Geoff Tyler looks at network security issues and how the measures we can deploy are improving Last year I covered IT security issues in the process of writing about the promise held out by third generation mobile telecommunications and about viruses. But it...