What is a Firewall and what are they used for?
- A Firewall is a System that is designed to protect individual computers or entire computer networks from unauthorized access. Figuratively speaking, this "wall" between your Computer and the Internet.
- There is a Firewall on each Computer. Also in routers, and Smartphones, Firewalls are installed. This can be configured (at least on computers) by the user.
- The Firewall between the public network, i.e. the Internet and the local network. So incoming and outgoing Connections, controlled, or permitted to be locked.
- The Firewall sees when a program wants to operate in your network. The Firewall is not renewed on a regular basis through Updates that no longer recognizes you current dangers.
- A Firewall is essential for any System that is connected to the Internet. It prevents malicious Software or hackers from accessing your PC and cause you harm.
How and where is your Firewall in Windows and Android to configure, read in these two practical tips.
