Date: Sun, 9 Apr 2006 00:10:43 +0400 (MSD) From: Dmitry Morozovsky <marck@rinet.ru> To: Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> Cc: stable@freebsd.org, Lyndon Nerenberg <lyndon@orthanc.ca>, Ulrich Spoerlein <spoerlein@googlemail.com> Subject: Re: resolver doesn't see resolv.conf changes Message-ID: <20060409000727.E67402@woozle.rinet.ru> In-Reply-To: <20060408220204.P64496@atlantis.atlantis.dp.ua> References: <20060405152718.GA1003@roadrunner.q.local> <20060406153938.C78654@orthanc.ca> <20060408083955.GA1041@roadrunner.q.local> <20060408211725.H47923@atlantis.atlantis.dp.ua> <20060408223657.D67402@woozle.rinet.ru> <20060408220204.P64496@atlantis.atlantis.dp.ua>
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On Sat, 8 Apr 2006, Dmitry Pryanishnikov wrote: DP> > DP> Sorry, but what kind of hierarchy does it defeat? If client's query DP> > DP> can't be satisfied from provider's DNS cache, and doesn't refer to DP> > DP> domain which is hosted on ISP, then provider's DNS server will make DP> > DP> first query to root DNS server, and then will walk down domain DP> > hierarchy DP> > DP> (e.g. .ua -> .dp.ua -> atlantis.dp.ua). So setting client's DNS to DP> > directly DP> > DP> query root servers defeats just the provider's DNS cache. DP> > DP> > Not in other ways delegated domains, i.e. XXX.local. DP> DP> I think that we're talking about official domain hierarchy here, aren't we? DP> And those XXX.local and YYY.homenet domains are outside this hierarchy. And, DP> BTW, ISP clients are rarely interested in internal ISP's .local domains. DP> They're interested in ISP servers (SMTP, POP3/IMAP, NNTP, WEB), and these DP> servers usually have official names in public ISP domains, accessible via DP> official hierarchy (down from root servers). Situations vary. There may be patterns where one laptop should be involved in corporate networks with .local (and somewhat restricted or even faschist-style outgoing firewalls; I *do* know some organizations where you can't even ssh out without organizational problems) and some possibly totally different public networks. Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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