I m told that a firewall can help identify spyware, key loggers, and other malicious software. How does that work?
A firewall is not intended to be a diagnostic or antihacking tool, but it is a good tracking tool, and you can easily see every program that has ever tried to exchange data with your computer and a summary of any send/receive rights that those programs have been given. In NIS, for example, open the main control panel, select Personal Firewall, click Configure, and select the Programs tab. A list of programs will appear, along with the program type and access rights. You will likely see programs that you recognize and some that you may not recognize. If you see a program that you don t recognize or that should no longer have communication rights on your PC, you can use the firewall to block or remove that program from the list, effectively blocking its communication and securing your system. Suppose that you played a game with an online option and even though you stopped playing the game months ago, you still see that the game s online module is in the programs list and h….
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