firewall Definition and Meaning in English (firewall definition)
nounFirewall definition: A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules, often used to protect a private network from unauthorized access.
Definitions of Firewall
- 1noun
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules, often used to protect a private network from unauthorized access.
- 2noun
A firewall can also refer to a physical barrier, such as a wall, designed to resist the passage of fire between sections of a building, vehicle, or other structure.
Example Sentences
“The company installed a new firewall to protect its data from cyber threats.”
“Without a strong firewall, your computer is vulnerable to external attacks.”
“The building's firewall prevented the fire from spreading to the adjacent section.”
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Phrases & Idiomatic Expressions
Protected by a network security system, typically referring to internal company networks or secure environments.
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