It my recent story on "Patching the Internet" a discussion on how Dan Kaminsky broke, then subsequently helped fix DNS and the Internet, a lot of discussion centered around how the patch was breaking ...

A firewall that is provided by software. It often refers to a personal firewall in a user's computer, but software firewalls may be installed in servers as well. Contrast with hardware firewall. See ...

Q: Should my company install a software firewall, or buy a dedicated hardware device for that function? A: As I tell my customers, deciding which type of firewall to use depends on what you're trying ...

Yesterday when we asked you what your favorite Windows firewall software is, we got back tons of responses, from ZoneAlarm to Sygate from free to commercial. Now we want to narrow down the choices to ...

Firewalls, both hardware and software, protect computers from hackers and other online threats by blocking dangerous pieces of data from reaching the system. While hardware firewalls offer ...

In this Recipe, I'll explain both the options for firewall protection and the differences between hardware and software implementations. By the end, you should be able to point a client to the ...

Assistant Professor Yupeng Zhang and his team, along with researchers from the University of California, Irvine, received a ...

Free firewalls offer the outbound monitoring that's missing in XP's firewall and off by default (and impractical) in Vista, but third-party tools may create problems of their own. Dennis O'Reilly ...

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 ...

Having a properly configured firewall on your computer is an important part of staying safe online, but having one on your ...