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 ...

Ever wanted to monitor which programs are constantly reaching out to the internet, block Microsoft from collecting telemetry data, or manually control Windows updates effectively? I have done it with ...

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 ...

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 ...