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What is a Firewall?

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What is a Firewall?

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A firewall is software or hardware that protects a computer or network from intruders accessing it from the Internet. It is a requirement for any computer which is “always on” the Internet.

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A firewall is a program, located at a computer, which protects a network from users outside the network (eg. Hackers). Internet Banking is situated behind a firewall to add further security to the overall system.

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A firewall is a special server dedicated to filtering all data transmitted, allowing certain data to pass and dropping all other data. Rules designate what data can be transmitted and what cannot. Youbet.com rules allow all members to freely connect and use the system, while stopping hackers cold.

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A firewall is a server or device that protects your internal network from hacking attempts from the outside world. It opens or closes specific entry ports into or out of your internal network for specific reasons like internet access, email delivery, or remote access.

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A firewall is a piece of software or hardware that creates a protective barrier between your computer and potentially harmful content on the Internet. It helps guard your computer against hackers and many computer viruses and worms. Because of the increased number of viruses and operating system vulnerabilities, the University of Denver requires that all mobile users enable the Windows XP Professional “Internet Conn ection Firewall ” on their laptop computers. For detailed instructions on how to configure the Internet Connection Firewall, click here .

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