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 ?
This newly developed firewall appliance is 1U rack mountable, only 12" deep and features an Intel Celeron 2.0GHz CPU, dual 10/100 Ethernet interfaces, one 40GB EIDE drive and 256MB DDR memory.
FIREWALL APPLIANCE provides a secure alternative to leased lines, frame relay and ATM for site-to-site connectivity.
Its Interceptor firewall appliance was among a number of security solutions NIBCO considered.
Under the terms of the agreement Symantec deployed its Gateway Security 5420 firewall appliance. This will provide Medical Technology Group with firewall, antivirus, VPN, intrusion detection and prevention, content filtering and anti-spam functionality.
Worldwide Computer Products News-15 November 2001-WatchGuard strengthens firewall appliance offerings with security bundle (C)1995-2001 M2 COMMUNICATIONS LTD http://www.m2.com
Wick Hill has begun shipments of the WebTrends Firewall Appliance Analyzer, a new firewall reporting system from NetIQ Corp.
The accreditation, which was earned for CyberGuard's Firewall for Secure UnixWare v4.3 software technology and the firewall appliance line, follows third-party analysis of product design and development methodology, backed up by testing.