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 firewall appliance model is powered by the full-featured GB-OS 4.
The Mistletoe SoC has been selected by several Tier 1 manufacturers for their next generation of VPN / Firewall appliances.
Typical firewall appliances inspect each packet individually as they pass through the firewall, which can cause severe performance degradation in high-volume data centers.
iPolicy Networks' Intrusion Prevention Firewall appliances utilize a deep-packet inspection-based Single Pass Architecture[TM] that enables service providers and mid-to-large size organizations to protect against a wide range of current and emerging threats while maintaining high network performance.
With their ability to fully service as well as sell our DDoS Firewall appliances, the client has more options to choose from.
We are very impressed with iPolicy's Intrusion Prevention Firewall appliances and have implemented them as the foundation for our managed security services," said Phil Canders, vice president of professional services at Business Vitals.
iPolicy Networks' Intrusion Prevention Firewall appliances utilize a deep-packet inspection based Single Pass Architecture(TM) that enables mid-to-large size organizations to protect against a wide range of current and emerging threats while maintaining high network performance.