In message <CAEBgQMzfH2kvc7zYNi=edewwq_tjjf8ofm9gkrq-3m7obqi...@mail.gmail.com> , Paul Reilly writes: > > Thanks all - the "filter-aaaa-on-v4" has worked well in testing. > > In terms of "why?" we do actually have native IPv6 upstream, and some parts > of the network are fully IPv6 enabled, and access the internet on IPv6. But > some areas are only IPv4. I need to make sure these IPv4 only parts of the > network do not try and access IPv6 internet hosts - as they are blocked at > the firewall.
Then please make sure that the firewall returns ICMPv6 unreachables or spoofs RST for TCP. Just dropping packets is guarenteed to result in bad behaviour. > Paul -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
