firewall

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fire·wall

(fīr'wawl)
1. A special building material that is placed in walls between buildings or rooms to prevent the spread of fire.
2. A software program designed to prevent unauthorized persons from accessing a computer system.

firewall

A set of programs that protects the resources of a private computer network from users of other networks. It screens the messages that attempt to enter or leave the network and permits or denies access to outside users based on pre-programmed rules.
References in periodicals archive ?
The new OPNsense firewall appliances provide an easy-to-use yet powerful platform to users and developers.
This newly developed firewall appliance is 1U rack mountable, only 12" deep and features an Intel Celeron 2.
VPN and Firewall Appliances and Software tracks VPN and firewall appliances in six price-banded categories, hardware secure routers, SSL VPNs (application security gateways), and VPN and firewall software.
The WebTrends Firewall Appliance Analyzer is available immediately, priced at GBP420.
Market Highlights -- Cisco is the revenue-leading vendor overall in the total VPN and firewall appliance and software market, followed by Check Point and NetScreen -- Nokia (with Check Point), Nortel, SonicWALL, Symantec, and WatchGuard are strong second-tier players for revenue market share -- Worldwide VPN and firewall appliance revenue hit $1.
a Newbridge(R) affiliate, announced that its solid state firewall appliance is now shipping.
The GB-3000 Gigabit Firewall Appliance standard configuration includes a 3.
CyberGuard TSP and Sidewinder G2 are the only firewall appliances on the market to complete rigorous application-level certification requirements
7 billion and has welded the company's FirePower services to the Cisco ASA 5500-X Series and ASA 5585-X Series firewall appliances.