Keeping the internet out is only the beginning of what my firewall does.

A firewall that blocks traffic or a failed VPN connection may prevent you from accessing the internet even when your Wi-Fi connection is working. People write in with mysteries all the time. One is ...

Anurag is an experienced journalist and author who’s been covering tech for the past 5 years, with a focus on Windows, Android, and Apple. He’s written for sites like Android Police, Neowin, Dexerto, ...

Many Android apps need internet access. Lots don't, but connect anyway. By installing a firewall app on my Pixel, I was able to lock down more than a dozen apps. It brings a big privacy boost as well ...

Does the Windows firewall protect your computer sufficiently? What contribution does your router make -- and who needs additional security software? This article explains. The firewall is one of the ...