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 ...

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 ...

What Does a Firewall Do To Protect My Home Network Your email has been sent Understanding what firewalls do (and don't do) takes just a few minutes. Learn what a firewall does to keep intruders out in ...

What Is a Host Based Firewall and Is it Secure Enough? Your email has been sent Most devices come with a host based firewall, but is it enough? Learn about this vital ...

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.

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 ...

To defend against data loss and theft, companies need as much protection as possible from external threats. Hardware and software firewalls prevent malicious traffic from reaching computers connected ...

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 ...

I've got a Cisco ASA firewall (firewall.example.com) and an Outlook Web Access proxy in the ASA's DMZ (owa.example.com). The ASA has a publicly facing IP address that is translated to the private ...

The Windows Subsystem for Linux 2 will bypass the Windows 10 firewall and any configured rules, raising security concerns for those who use the feature. In a blog post today, Mullvad VPN explained ...