Date: Mon, 08 Aug 2011 16:42:06 +1000 From: Mattia Rossi <mrossi@swin.edu.au> To: Doug Barton <dougb@freebsd.org> Cc: freebsd-net@freebsd.org, freebsd-current@freebsd.org, fbsd@opal.com Subject: Re: resolvconf script overwrites entries in resolv.conf - RDNSS/DNSSL related Message-ID: <4E3F853E.4030201@swin.edu.au> In-Reply-To: <4E3B9346.9000101@FreeBSD.org> References: <4E3B86C4.7050005@swin.edu.au> <4E3B9346.9000101@FreeBSD.org>
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On 05/08/2011 16:52, Doug Barton wrote: > On 08/04/2011 22:59, Mattia Rossi wrote: >> Hi all, >> >> I've finally patched my 8.2 IPv6 gateway with the RDNSS/DNSSL patches >> and I'm distributing DNS servers that way now. Works fine, my box >> running CURRENT picks up the DNS servers and search domains and writes >> them into /etc/resolv.conf using the resolvconf script. >> >> The script anyhow overwrites my previous manual entries in >> /etc/resolv.conf which I need for my manual IPv4 setup... >> >> I think it's an easily fixable bug - haven't looked into it that close >> atm., but given that the resolvconf script is going to be >> rewritten/enhanced anyways, that's something to keep in mind. >> I think that manual entries should always be preferred. > > Check 'man resolvconf.conf' for information on name_servers_append. It > would probably be nice if there was a _prepend equivalent. > Okay, finally got around to read that manpage (which I didn't realise that it existed). So For RDNSS/DNSSL we have now the following manpages related to resolv.conf: resolvconf(8), resolv.conf(5) (aka. resolver(5)) and resolvconf.conf(5)... Lot's of resolvconfs :-) Anyhow, the manpage is really not clear about name_servers_append, and it's not working as expected either: 1) If I put in a comma separated list of nameservers, I'll find that comma separated list in /etc/resolv.conf under a single "nameserver" tag. That doesn't work, as it's not a valid entry. Each nameserver needs to have a "nameserver <host>" entry. 2) If I use multiple name_servers_append entries in /etc/resolvconf.conf, then only the last entry is used. I don't want only one DNS server there though, I want all three of them, as I already had the problem that one or the other didn't work properly. 3) If I read the description for name_servers in resolvconf.conf(5), I understand that this tag prepends the nameserver to my list. This is not what happens. Still not sure what actually happens there... How do I get my 3 manual DNS entries properly into my resolv.conf ? Mat
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