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 ...

Mike Chapple is a teaching professor of IT, analytics and operations at the University of Notre Dame. Network firewalls are one of the mainstay security controls that organizations rely on to protect ...

The Linux kernel includes some of the most powerful and flexible firewall code in any general-purpose operating system. This code is called Netfilter, though most of us refer to it by the name of its ...

This chapter introduces the reader to firewall load-balancing (FWLB) concepts, technology, and designs. We will talk about motivations behind FWLB solutions, different types of firewalls, and how to ...

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 ...