Most of us have already used hardware firewalls, because modern routers have firewall features built-in. By default, they can block incoming connections, and some of the more expensive routers ...

A VPN firewall is a hardware appliance or software package that provides both firewall and VPN capabilities. Learn the full ...

IPFire is a Linux-based stateful firewall distro that’s built on top of Netfilter. It began as a fork of the IPCop project, but has since been rewritten based on Linux From Scratch. IPFire can be ...

These routers should also have a firewall built-in and enabled by default, so you should have basic security already. If you ...

I really wanted to like the Trend Micro Network VirusWall 1200 product—a combination firewall, antivirus and intrusion-detection appliance—but the process of installing so many ...

This chapter deals with the practical issues of setting up a network and network architecture in general. Knowing how networks differ from a programmatic perspective can help fix a lot of ...