[Bug 248102] [local_unbound] default config file violates RFC

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248102

--- Comment #4 from Rodney W. Grimes <rgrimes at FreeBSD.org> ---
(In reply to Walter von Entferndt from comment #3)
The forwarding of RFC1918 reverse look ups has existed historically since DNS
started, because of clauses in RFC"s that say they SHOULD NOT be treated
special.  This change to stop doing that really comes about by RFC6761 6.1. 
Again, I have asserted FreeBSD should probably fix this, but technically still
a SHOULD/SHOULD not situation.

Further more, if we had still been using BIND in the base system, this would
already be handled, the default BIND caching configuration does not forward
these requests.

This bug really is in the upstream unbound default configurations and should be
addressed there, and then imported to FreeBSD, but that should not preclude
someone fixing this before that can happen.

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