Date: Wed, 21 Sep 2005 07:09:43 -0700 From: Brooks Davis <brooks@one-eyed-alien.net> To: "Matthew N. Dodd" <mdodd@FreeBSD.ORG> Cc: arch@FreeBSD.ORG, Doug Barton <dougb@FreeBSD.ORG> Subject: Re: [CFR] reflect resolv.conf update to running application Message-ID: <20050921140943.GB3739@odin.ac.hmc.edu> In-Reply-To: <20050915094948.K79434@sasami.jurai.net> References: <ygefyt4yiaz.wl%ume@mahoroba.org> <20050826202713.X1915@sasami.jurai.net> <20050827014153.GA14720@odin.ac.hmc.edu> <20050826221016.B1915@sasami.jurai.net> <20050827170600.GB14720@odin.ac.hmc.edu> <20050828022351.F63789@sasami.jurai.net> <20050908181052.GH31354@odin.ac.hmc.edu> <20050914091957.P56212@sasami.jurai.net> <43293189.5000200@FreeBSD.org> <20050915094948.K79434@sasami.jurai.net>
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[-- Attachment #1 --] On Thu, Sep 15, 2005 at 09:59:48AM -0400, Matthew N. Dodd wrote: > On Thu, 15 Sep 2005, Doug Barton wrote: > >Yes, include works, but it runs a similar risk to modifying the > >named.conf file, namely if the syntax of the the statements in the > >include file are not right, loading named.conf will fail. So, we should > >build some caution into the process of updating the file, but that's > >easily done with the named-checkconf program that comes with the > >distribution. > > I'm not sure such paranoia is needed; dhclient has always exposed the > system to the risk of having an invalid resolv.conf and regenerating the > named.conf file is no different. Since we're regenerating the included > file completely I don't see that this is risky at all. The domain name server values will be valid host names. dhclient checks that so we can count on it. I had broken the search checks, but have since fixed that. It might be useful to still write a resolv.conf that only refers to 127.0.0.1 and includes the search directive if we write the forwarder's file. -- Brooks -- Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFDMWmlXY6L6fI4GtQRAqNYAJ4z8cXGL57onEUlzreEzOUHH7md0QCfaUK0 KQz7m2YCNoK/iQhHAEzbW9M= =YJjj -----END PGP SIGNATURE-----
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