WHEN LOOKING for an effective, inexpensive firewall solution, Linux firewalls do not often enter into the picture unless someone involved in the security planning process is a Linux guru. With the ...

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 ...

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.

In the world of the Linux operating system and open source software, the iptables firewall provides a full featured and stable packet filtering infrastructure. Commercial-grade capabilities such as ...

Your Linux PC is only as secure as the settings you choose to enable (or disable).

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