As the first line of defense on a computer, firewalls are primarily designed to limit or stop network traffic and connections. Firewalls analyze incoming data, what it intends to do, and where it’s going to determine whether it should be accepted or denied based on the firewall’s policy. Although firewalls can protect your computer because they require authentication to open network-intensive programs, they may interfere with known safe operations and are limited in their protection capabilities. Writer Bio
