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.

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 ...

Mick Bauer introduced Firewall Builder to Linux Journal readers in 2003 with his article “Using Firewall Builder”. A lot of time has passed since 2003, the project has evolved, the appearance of 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 ...

As some of you know from my last dumb post about mounting the floppy, I am new to Linux. I would like to learn though the feasibility of setting up a Linux machine as a firewall for a dedicated ...