What does a firewall do? ANSWER
Question. Thank you for the help…my firewall is enabled. Does this keep hackers from seeing what I’m doing with online banking, etc? (Just curious) What exactly does a firewally do? Answer. Here is a simplified explanation of firewalls as they relate to your personal computer: A firewall’s main purpose is to provide a barrier between the internet and your computer. Specifically, a firewall is supposed to only allow approved applications to transmit and receive data from your computer to the