Editing Firewall (section)

{{wiktionary|firewall}}
'''Firewall''' may refer to:
* [[Firewall (computing)]], a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts
* [[Firewall (construction)]], a barrier inside a building, designed to limit the spread of fire, heat and structural collapse
* [[Firewall (engine)]], the part of a vehicle that separates the engine compartment from the rest of the vehicle
* [[Firewall (physics)]], a hypothetical phenomenon where a freely falling observer spontaneously burns up at the horizon of a black hole
* Firewall (politics), also known as ''[[Cordon sanitaire (politics)|cordon sanitaire]]'': the refusal of one or more [[political parties]] to cooperate with certain other political parties.
** For example, see [[Firewall against the far-right in Germany]]
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