On Wed, 26 Jan 2011 13:56:05 PST, Charles N Wyble said: > > The only issue I've faced is RHEL/CentOS doesn't have stateful connection > > tracking for IPv6 - so ip6tables is practically worthless. > > > Hmmmm. Interesting. I wonder if this is specific to the RedHat kernel? > Or a problem with v6 support on Linux in general?
(Linux kernels are trying to stick to a release-every-3-months schedule). RHEL/CentOS 5 is using a 2.6.18 kernel. The needed support for stateful IPv6 landed in 2.6.21 or so (so almost a year after RHEL 5 did its feature freeze). RHEL 6 is apparently a 2.6.32 kernel so it should be there. Cutting edge kernel is currently 2.6.38-rc2.
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