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Linux kernel to include IPv6 firewall

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"Version 2.6.12 of the Linux kernel is likely to include packet filtering that will work with IPv6, the latest version of the Internet Protocol."

"Netfilter/iptables, the firewall engine that is part of the Linux kernel, already allows stateless packet filtering for versions 4 and 6 of the Internet protocol, but only allows stateful packet filtering for IPv4. Stateful packet filtering is the more secure method, since it analyses whole streams of packets, rather than only checking the headers of individual packets -- as is done in stateless packet filtering."

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