However, that’s only the general purpose of a firewall. Only trusted sources and IP addresses are allowed in, and any unwanted traffic is blocked to prevent it from compromising your computer and data. It acts as the buffer between your computer and any other network, such as the internet.įirewalls manage incoming traffic to determine if it is safe for your computer or whether it contains any potential threats. Think of it as a security guard for your home. Even though you can check your Mac for viruses and malware, using a firewall is a key preventative measure. It protects your computer from viruses, malware, hackers, and bad actors. What does a firewall do?Ī firewall prevents unauthorized access to your computer or network. It can be hardware, software, software-as-a-service (SaaS), public cloud, and even private cloud. It is a network security tool that monitors incoming and outgoing traffic based on predetermined rules to prevent any threats to your network security.
When having your privacy violated once, you make sure to put certain security measures in place to ensure that no one enters the home that has no business doing so again.Ī firewall works similarly.
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