Firewalls: Some Frequently Asked Questions
1. What does the firewall do and why does one require a firewall?
A firewall controls the flow of information from and to the Internet and your private network. It acts as a filter filtering all the junk and sending letting in only the information that is safe and will not [...]
Understanding Firewalls
So what exactly is a firewall? You have seen countless computer security sites advising you to get one. They might also have thrown in a few names. But if you are not exactly sure about what a firewall is, wait before you get yourself [...]