Most of us think of iptables strictly as a firewall tool for keeping remote attackers at bay. But did you know it also can be used to keep local users in line? The experimental match extension owner ...

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 ...

Typically, that enforcement means you need a firewall, but a firewall by itself is not enough. If IDS technology has proven anything, it is that application layer decoding and inspection is critical ...