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
Attested in
No recorded attestations. They are written when an MWE tagging stage is completed, stamped with the pack version and the document’s digest.
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
- §1 · legacy_primary
- A hardware/software capability that limits access between networks and/or systems in accordance with a specific security policy.DR-088 backfill from the noun definition column
Outgoing relationships
- broaderGeneric
Incoming relationships
No incoming triples
No other term currently asserts a relationship to this one.