Network appliances don't always offer all the firewalling features a user needs -- you know, the advanced port blocking and security procedures we'd like to keep our little home network fiefdoms ...

Your desktop firewall may not offer enough protection. There are various options available to increase your security. Two of these options are free, while the other has an associated cost. The ...

Many enterprise networks require redundant HA (High Availability) infrastructure for key systems like network firewalls. This article demonstrates how you can use a combination of open-source packages ...

This chapter looks at the management of firewalls. From the perspective of the small office/home user, the firewall is a single device that protects the home network from malicious traffic—it keeps ...

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 ...

Open source software offers an economical and flexible option for deploying basic home, SMB or even enterprise networking. These open source products deliver simple routing and networking features, ...

Dear readers, I appear to have set a Paranoid Penguin record—six months spent on one article series. (It has consisted of five installments, with a one-month break between the second and third pieces.

When you're planning out the network for your home lab, a customizable firewall is key to keeping your home lab (and your ...

Akamai's Prolexic network cloud firewall now offers the ability to customize access control lists and deploy them at network edges. Content delivery network (CDN) and cloud security services provider ...

Several sources report the firewall in macOS Sequoia can sometimes leak data after an update. Here's how to test and fix it. The macOS firewall in System Settings allows you to protect your Mac and ...