What is the role of a firewall in network security?

A firewall helps protect your network by acting as a barrier between your internal network and the external internet. It monitors and controls incoming and outgoing network traffic based on predetermined security rules, which helps prevent unauthorized access and potential threats.

When choosing between software or hardware firewalls, it depends on your specific needs. Software firewalls are usually installed on individual devices, providing protection at the device level. Hardware firewalls are standalone devices placed between your internal network and the internet, offering network-wide security.

Generally, for individuals and small businesses, software firewalls are sufficient for protecting individual devices. Larger organizations or networks may benefit from hardware firewalls to manage security at a broader level. In some cases, a combination of both types can provide comprehensive protection.