Am 31.01.2023 um 19:52:11 Uhr schrieb Thomas Schäfer: > Am Montag, 30. Januar 2023, 23:12:53 CET schrieb Mark Andrews: > > Do you want a correctly operating DNS64 server or do you want to > > filter all A records? They are mutually exclusive requirements. > > Please read RFC 6147 to understand why they are mutually exclusive. > > > > That's simply not true. RFC 6147 is about synthesizing AAAA records > based on A records. It says nothing about blocking A records > afterwards.
Why would it make sense to block them? > > You seem to have this strange notion that to run an IPv6-only node > > or network that you need to filter out A records. > > It isn't more strange than filtering AAAA records in old IPv4 only > networks. That filter is ironically implemented by the isc - despite > there is no serious RFC for that. I don't see a reason for filtering at all. What is the benefit of that? > The purpose of the A record filter is to correct the behavior of apps > which don't respect IPv6 RFCs regarding the preference of IPv6 over > IPv4. Best would be to fix these "apps". If the computer does not have an IPv4 address, the A records are useless, it can't use them and needs to connect via IPv6. > My experience until now: the a record filter doesn't break anything, > but it make some apps working without clat - so at least some > windows and linux apps. Why don't they work if they can't connect using IPv4? Which apps are affected? -- Visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list ISC funds the development of this software with paid support subscriptions. Contact us at https://www.isc.org/contact/ for more information. bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
