firewall

From fire +‎ wall. Compare West Frisian brânmuorre, Dutch brandmuur, German Brandmauer, Feuermauer, Swedish brandvägg, brandmur, Icelandic eldvegg.

• (UK) IPA^(key): /ˈfaɪə.wɔəl/
• (UK) IPA^(key): /ˈfaɪ.əˌwɔːl/
• (US) IPA^(key): /ˈfaɪ(ə)ɹˌwɔl/, /ˈfaɪ(ə)ɹˌwɑl/

• Audio (US)

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firewall (plural firewalls)

1. A fireproof barrier used to prevent the spread of fire between or through buildings, structures, electrical substation transformers, or within an aircraft or vehicle.
2. (computer security) The software that monitors traffic in and out of a private network or a personal computer and allows or blocks such traffic depending on its perceived threat.
3. (physics) A hypothetical phenomenon where an observer falling into a black hole encounters high-energy quanta at or near the event horizon.

• Great Firewall of China

firewall (third-person singular simple present firewalls, present participle firewalling, simple past and past participle firewalled)

1. (transitive, computer security) To protect with a firewall.
2. (transitive, computer security) To block with a firewall.
3. (intransitive, motor vehicles or aircraft, slang) To use maximum acceleration.

firewall m or f (rare) (plural firewalls)

1. (computer security) firewall (computer software that monitors traffic in a network)

From English firewall.

firewall m (plural firewalls)

1. (computing) firewall

• cortafuegos