Free Firewall Apps and Alternatives

Firewalls have been designed to protect users against unwanted or unauthorized communications between their computer and external hosts.

Users may rely on firewall applications to prevent unauthorized accounts from accessing any private networks connected to the Internet.

Usually, freeware firewalls can be installed on home computers, meaning that users are not allows to use this type of apps in business environments.

Firewall users also need to be aware that creating too strict firewall rules may potentially block Internet access altogether, therefore advanced computer skills are required before attempting to configure most firewalls.