Three basic types of firewalls are available for you to choose from: Software firewalls Hardware routers Wireless routers To determine which type of firewall is best for you, answer these questions and record your answers: How many computers will use the firewall? What operating system do you use? (This might be a version of Microsoft Windows, Apple Macintosh, or Linux.) That’s it. You are now ready to think about what type of firewall you want to use....
A firewall is an application which controls network traffic to and from a computer, permitting or denying communications based on a security policy. A personal firewall differs from a conventional firewall in terms of scale. Personal firewalls are typically designed for use by end-users. As a result, a personal firewall will usually protect only the computer on which it is installed. Many personal firewalls are able to control network traffic by prompting the user each time a connection is attempted and adapting security policy accordingly....