Firewall may refer to:

• Firewall (construction), a physical barrier inside a building or vehicle, designed to limit the spread of fire
• Firewall (networking), a logical barrier designed to prevent unauthorized or unwanted communications between sections of a computer network
• Firewall (film), a 2006 action film written by Joe Forte, starring Harrison Ford
• Firewall (novel), a novel by Henning Mankell, featuring Kurt Wallander
• Chinese wall, a zone of non-communication between distinct sections of a business, in order to prevent possible (and probable) conflict of interest

See also

• Anonymous web browsing

Firewall (Begriffsklärung) | Cortafuegos | Suhesi | Vatrozid | Tường lửa