firewall
nounid
2608·updated May 9, 2026verified
A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.
polysemous
Classifications
Entity Type
Network95%rule-basedr:entity.network.gear.v1
Sensitivity
unclassified
Information Class
unclassified
Variants
- alternatephrasing
- Firewall
- plural
- firewalls
- possessive
- firewall's
- pluralpossessive
- firewalls'
Framework definitions
- §1
- A logical or physical discontinuity in a network to prevent unauthorized access to data or resources.
National Initiative for Cybersecurity Careers and Studies (NICCS) Cybersecurity Lexicon1 senseview framework →
- §1 · extended_definition_available
- A capability to limit network traffic between networks and/or information systems.
- §1
- A system or combination of systems that enforces a boundary between two or more networks, typically forming a barrier between a secure and an open environment such as the Internet
- §1
- Hardware and/or software gateway technology that protects network resources from unauthorized access. A firewall permits or denies computer traffic between networks with different security levels based upon a set of rules and other criteria.
- §1
- Hardware and/or software gateway technology that protects network resources from unauthorized access. A firewall permits or denies computer traffic between networks with different security levels based upon a set of rules and other criteria.
Federal Financial Institutions Examination Council (FFIEC) IT Examination Handbook Infobase, Glossary1 senseview framework →
- §1
- A hardware or software link in a network that relays only data packets clearly intended and authorized to reach the other side.
- §1
- A gateway that limits access between networks in accordance with local security policy.
- §2 · sense_2_pending_review
- A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.
- §3 · sense_3_pending_review
- A device or program that controls the flow of network traffic between networks or hosts that employ differing security postures.
- §1
- A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.
- §1
- A gateway that limits access between networks in accordance with local security policy.
- §1
- A device or program that controls the flow of network traffic between networks or hosts that employ differing security postures.
- §1
- the application of maximum thrust
- §2
- a fireproof (or fire-resistant) wall designed to prevent the spread of fire through a building or a vehicle
- §3
- (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
Outgoing relationships
No outgoing triples
This term is not the subject of any RDF-style relationship yet.
Incoming relationships
No incoming triples
No other term currently asserts a relationship to this one.