Every self-respecting Linux guru should be familiar with firewalls and how to install and configure them. With this in mind, Linux gurus also should be curious about how firewalls function and how to ...

When deciding on a firewall implementation, most Unix-savvy administrators have usually chosen to use ipfilter on OpenBSD for their combination of capabilities and stability, as the capabilities of ...

EnoLogic NetFilter Home 3.0 takes a different approach to blocking content. It relies primarily on image- and text-analysis algorithms to determine whether content is inappropriate, rather than simply ...

Imre Palik tried to speed up some of Linux's networking code but was met with stubborn opposition. Essentially, he wanted networking packets to bypass the netfilter code unless absolutely necessary.

McHardy was suspended from the Netfilter team in 2016. The Netfilter team released a document on how to deal with his attempts to extract money from vendors. This move by McHardy, who had been a ...

A new Linux NetFilter kernel flaw has been discovered, allowing unprivileged local users to escalate their privileges to root level, allowing complete control over a system. The CVE-2023-32233 ...