The release notes for BIND 9.7.3 contain this:

     * A bug in NetBSD and FreeBSD kernels with SO_ACCEPTFILTER enabled
       allows for a TCP DoS attack. Until there is a kernel fix, ISC is
       disabling SO_ACCEPTFILTER support in BIND. [RT #22589]

The CHANGES file also says:

    2996.   [security]      Temporarily disable SO_ACCEPTFILTER support.
                            [RT #22589]

Can anyone tell me more?  What releases are affected?  Is a kernel patch in the 
works?

Thanks in advance,

Eric
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