Firewalls are computers dedicated to filtering particular kinds of network traffic between two networks. They are usually employed to protect a LAN from the rest of the Internet. Securing every box on ...

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.

Upon examining several proprietary and open-source solutions, we found a major drawback to many of them was the requirement that our internal networks would need to be renumbered into a private ...

Many organizations don't turn on logging in their firewalls because of misconceived concerns about adverse performance. Don't let that be you. The firewall is a barrier between your organization and ...

It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "="" operating="" system"="">, which is a customized flavor ...

Although Linux has a firewall built into the kernel itself, it isn’t always the easiest to use, especially for new users to Linux, even when there are several graphical utilities that can help you ...

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 ...

We list the best Linux firewalls, to make it simple and easy to set up and manage a more advanced firewall for your Linux PC or IT network. A dedicated firewall is the first line of defense when it ...