Do you like fiddling with computers and fancy the idea of taking on a more advanced project? Then I have a suggestion: Build your own router/firewall. With a router running a more advanced operating ...

Hardware Firewalls are mostly seen in broadband modems, and are the first line of defense, using Packet Filtering. Before an Internet packet reaches your PC, the Hardware Firewall will monitor the ...

In my last column, I sang the praises of application-layer proxy firewalls and introduced Balazs Scheidler's Zorp firewall suite, available in both commercial and free-of-charge versions. This column ...

In today's world of permanent Internet connectivity, whether through Wi-Fi or Ethernet, a firewall is an essential component of your device's security. This software – or in some cases, a separate ...

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...

Network firewalls were created as the primary perimeter defense for most organizations, but since its creation the technology has spawned many iterations: proxy, stateful, Web app, next-generation ...

Linux is highly secure, but you should still have a firewall. You should know if your ISP's hardware (gateway) uses a firewall. One of the easiest Linux firewalls is UFW and its GUI sidekick, GUFW.