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Linux Firewalls and QoS using netfilter, iproute2, NAT, and L7-filter

Lucian Gheorghe

Learn how to secure your system and implement QoS using real-world scenarios for networks of all sizes.

The two things needed to build firewalls and QoS with Linux are two packages named netfilter and iproute. While netfilter is a packet-filtering framework included in the Linux kernels 2.4 and 2.6, iproute is a package containing a few utilities that allow Linux users to do advanced routing and traffic shaping.



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