[dns-wg] RIPE's MNAME recommendation
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Måns Nilsson
mansaxel at sunet.se
Fri Sep 30 13:57:30 CEST 2005
--On den 30 september 2005 13.19.41 +0200 Paul Herman <pherman at cleverbridge.com> wrote: > Hello dns-wg list! > > SUMMARY: > In short, in a SOA RR of ours we have an MNAME that corresponds to a > primary master server which has a private IP address. This is causing > problems with many RIPE member registrars. > Is it possible that RIPE could consider relaxing this "recommendation" > that causes problems for RFC compliant zones? How do you, the DNS > community, feel about this? I think not. The collateral damage of allowing this relaxation when applied to another organisation, where there are slave servers that might not be in the same routing domain[0] as the MNAME box (and thus not able to see the RFC 1918 address, because 1918 says those addresses should stay in one routing domain) would be un-nice. Basically, using RFC 1918 address space for central, critical infrastructure that might get connections from arbitrary places on the net is a bad idea. Allowing it in a policy document is even worse. -- Måns Nilsson Systems Specialist +46 70 681 7204 cell KTHNOC +46 8 790 6518 office MN1334-RIPE [0] Many texts, ripe-192 being one of the more well-written ones, explicitly talk about getting secondaries in Other Places(tm), which means that you probably, as a slave, are not seeing the same 192.168.47.11 as the other servers, if the MNAME resolves to a RFC 1918 address. This also is messy with dynamic updates. -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 186 bytes Desc: not available URL: <https://lists.ripe.net/ripe/mail/archives/dns-wg/attachments/20050930/6f80fa40/attachment.sig>
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