firewall
Học thuậtThân thiện
Definition
- Noun:
- A fireproof or fire-resistant barrier: A physical wall specifically designed and constructed to prevent or slow the spread of fire within a building or vehicle.
- A network security system: In computing, a system (comprising hardware, software, or both) that monitors and controls incoming and outgoing network traffic based on predetermined security rules, acting as a barrier between a trusted internal network and untrusted external networks.
- Maximum thrust setting: (Colloquial) The position of an aircraft's throttle that provides the maximum available engine power.
Usage Examples
- Noun (Physical Barrier):
- The building code requires a firewall between the garage and the living area.
- The vehicle's firewall protected the passengers from the engine compartment fire.
- Noun (Computing):
- A good firewall is essential to protect your computer from hackers.
- The company's network administrator configured the firewall to block suspicious traffic.
- Noun (Colloquial: Thrust):
- The pilot pushed the throttle to the firewall to gain altitude quickly.
- In an emergency, he advanced the controls to the firewall.
Advanced Usage
- "to be behind a firewall": To be on a network or computer protected by a firewall system.
- The sensitive financial data is behind a corporate firewall.
- "to firewall something off": To isolate a part of a network or system using a firewall for security.
- The IT department firewalled off the infected server to contain the virus.
Variants and Related Words
- Firewalled (adj): Describing a system or network protected by a firewall.
- All company laptops are firewalled.
- Firewalling (gerund/noun): The act or process of implementing or managing a firewall.
- Proper firewalling requires constant updates.
Synonyms
- Barrier: A structure that blocks passage (for the physical and computing senses).
- Bulkhead: A dividing wall or barrier within a structure (similar to the physical sense).
- Security gateway: A network node providing firewall functionality (for the computing sense).
- Max power: Full, unrestricted thrust (for the colloquial sense).
Related Phrases
- Personal firewall: A software-based firewall designed to protect a single computer.
- She installed a personal firewall on her home PC.
- Firewall rule: A specific configuration that defines what traffic the firewall should allow or block.
- Creating a precise firewall rule can be complex.
Related Idioms
- A human firewall: Refers to employees who are trained to follow security protocols and prevent security breaches through their actions.
- Security training aims to turn every employee into a human firewall.
Noun
- a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
- (computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers; commonly used on local area networks that are connected to the internet
- (colloquial) the application of maximum thrust
- he moved the throttle to the firewall