Understanding security and safe computing

Understanding security and safe computing - Use a firewall

Q

Windows Vista Security basics - Understanding security and safe computing - Use a firewall

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A

A firewall is software or hardware that checks information coming from the Internet or a network and then either turns it away or allows it to pass through to your computer, depending on your firewall settings. In this way, a firewall helps prevent hackers and malicious software from gaining access to your computer. Windows Firewall is built into Windows and is turned on automatically. If you run a program such as an instant messaging program or a multiplayer network game that needs to receive information from the Internet or a network, the firewall asks if you want to block or unblock (allow) the connection. If you choose to unblock the connection, Windows Firewall creates an exception so that the firewall won't bother you when that program needs to receive information in the future.

2009-06-30, ∼5705🔥, 0💬