Re: [SOLVED] Re: ip6tables -m state (match state) not working...

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On Wed, Oct 11, 2006 at 09:20:59PM -0500, Jay Cliburn wrote:

 > > 	I've found that the IPv6 state matching is non-functional in FC6.  I
 > > first tried it in Test3 and have just reinstalled the entire system from
 > > scratch from rawhide and verified it from the latest rawhide.
 > [snip]
 > > 	Filed in bugzilla: 209945
 > > 
 > > 	https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=209945
 > 
 > This is a kernel configuration issue.  Configure the kernel as follows and 
 > rebuild it.  After that, ip6tables will honor "-m state".  If you don't build 
 > the kernel with these options, all IPv6 packets are seen as INVALID by 
 > netfilter.  (To see this for yourself, set up a log rule matching on "-m state 
 > INVALID".)
 > 
 > Here are the kernel config options:
 > 
 > Networking->Networking options->Network packet filtering (replaces 
 > ipchains)->IP: Netfilter Configuration
 > 
 > Unset this option:
 > < > Connection tracking (required for masq/NAT)
 > 
 > Networking->Networking options->Network packet filtering (replaces 
 > ipchains)->Core Netfilter Configuration
 > 
 > Set these options:
 > <*> Layer 3 Independent Connection tracking (EXPERIMENTAL)
 > [*]   Connection tracking flow accounting
 > [*]   Connection mark tracking support
 > [*]   Connection tracking security mark support
 > [*]   Connection tracking events (EXPERIMENTAL)

This is marked EXPERIMENTAL for a reason. It's incomplete for some
features.  You can only enable this if you disable the old conntrack code.
>From conversation with the upstream networking folks, enabling this
will also break NAT.  It'll not be completely usable until at least 2.6.20

		Dave

-- 
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