Pranay Parab is an independent tech journalist based in Mumbai, India. He covers tech for Lifehacker, and specializes in tutorials and in-depth features. A firewall is an essential security tool for ...

Most devices come with a host based firewall, but is it enough? Learn about this vital layer of security and how it keeps you safe. A host-based firewall is installed and run on a single device, like ...

A stateless firewall is an efficient, low-maintenance way to screen lots of network traffic quickly — but there are a few important drawbacks. In networking, “state” refers to the context or session ...

Your Mac comes with a built-in firewall, but it’s probably not something you’ve given much thought to. A firewall helps control incoming connections—requests from apps and other devices that want to ...

If you're looking for maximum protection from a firewall, and are willing to put up with a number of annoyances, you'd do well to install the free Comodo Firewall, an extremely effective protection ...