Linux: First Release Of nftables
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Netfilter maintainer Patrick McHardy recently announced a first alpha-release of nftables, slated to eventually replace iptables as the standard Linux packet filtering engine. Nftables aims to simplify the kernel ABI, reduce code duplication, improve error reporting, and provide more efficient execution, storage and updates of filtering rules. Patrick began with a high level overview of the three pieces that comprise the firewall, "the kernel provides a netlink configuration interface, as well as runtime ruleset evaluation using a small classification language interpreter. libnl contains the low-level functions for communicating with the kernel, the nftables frontend is what the user interacts with." An insightful overview can be found on lwn.net.
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