A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) in order to block malicious traffic like viruses and hackers.

Firewall | Insurance Glossary Definition | IRMI.com Firewall Definition Firewall — a computer that protects a company's private network from outside (Internet) users, yet allows the company's users to access both the protected network and the Internet. Related Products. Contractual Risk Transfer. Any contracting party needs this IRMI … Internet firewall dictionary definition | Internet Internet firewall definition: Software or a dedicated device that is used to shield users from the Internet. See firewall and Internet filtering. Great Firewall - Wikipedia The latter definition of online activities punishable under CL97, or "crimes carried out over computer networks" is used as justification for the Great Firewall and can be cited when the government blocks any ISP, gateway connections, or any access to anything on the internet. The definition also includes using the internet to distribute Firewall Definition | V2 Cloud Glossary

Definition of firewall noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage.

A firewall is software or firmware that prevents unauthorized access to a network. It inspects incoming and outgoing traffic using a set of rules to identify and block threats.

Firewall Configuration | HowStuffWorks

firewall meaning: 1. a device or program that stops people from seeing or using information on a computer without…. Learn more. Firewall stops hackers from accessing your computer via Wi-Fi and the Internet. Make yourself invisible to hackers now and forever. In order to view this page correctly, you must have a JavaScript-enabled browser and have JavaScript turned on.