From owner-freebsd-questions@freebsd.org Sat Aug 4 06:03:01 2018 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F3654105F1C2 for ; Sat, 4 Aug 2018 06:03:00 +0000 (UTC) (envelope-from matthew@FreeBSD.org) Received: from smtp.infracaninophile.co.uk (smtp.infracaninophile.co.uk [IPv6:2001:8b0:151:1:c4ea:bd49:619b:6cb3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.infracaninophile.co.uk", Issuer "infracaninophile.co.uk" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 6DE3E86859 for ; Sat, 4 Aug 2018 06:03:00 +0000 (UTC) (envelope-from matthew@FreeBSD.org) Received: from liminal.local (unknown [IPv6:2001:8b0:151:1:1c96:e7a1:8a4d:3196]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: m.seaman@infracaninophile.co.uk) by smtp.infracaninophile.co.uk (Postfix) with ESMTPSA id 646E66454 for ; Sat, 4 Aug 2018 06:02:58 +0000 (UTC) Authentication-Results: smtp.infracaninophile.co.uk; dmarc=none (p=none dis=none) header.from=FreeBSD.org Authentication-Results: smtp.infracaninophile.co.uk/646E66454; dkim=none; dkim-atps=neutral Subject: Re: name resolution puzzle To: freebsd-questions@freebsd.org References: <5cbb1cc0-8e3f-2736-755e-d182abfd90e6@kicp.uchicago.edu> From: Matthew Seaman Openpgp: preference=signencrypt Autocrypt: addr=matthew@FreeBSD.org; prefer-encrypt=mutual; keydata= xsFNBFJIL80BEADi7/VbnnErDU6pjEhI/SzEZ/HbDRkJ5g7HroAtqIRm6nj8ZwOAgZ/2ZnWn 5F+fXTuLsG0FLNtkd17FoVcuCi5e/GPliXI5cmamV7E1Yz4T8UsJ7RQolimyxVexccKd16Tc AA7B9bFlJSKkBUSD0buj7VjT07xWhRzu6Vgi5r0UjLALYJz977uZA0F1aOGOXREDEAOhdcNc kSNjynqAwDA6dCT1Elpi4key1fYjv4jyDF+GU/YXul2Y/rguA8FCkHd9vyym5eAsLQ5mG00V V9fkEHIpH5KorNVnl/ufHXnkZqmHAZVpFDcrshb7aZ/pL45PXyWgLj+e6etelgj3a2bZi0JF 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ojbC5zveX5rNbcyinwOEFyGAhFpfF7ESsKedR2Q40LvysT7I5ugS+Hk4Z2nvbd2bOSdC4j8a BWzfqVu2p37d2AnnswfPoLrOyNUZ+ciTEcmEUVR7WWUwQ0H6A6h4C2NeBmLRRjk9CEfzrgM2 DNQqDL1RMYKlVosQ8BeUR9ThztUwDakxnK0ZtZb2rAliKYaaEFbZDePz1xmvjYc7EZq/3OTl GMUDa6BPHHbCvJjiAUc/Q9iaRe3dp69V/rwOM5NiS+tWgp3OtgX0mDWVoQnDjyWVIRU/QagJ HsNJJCc0N48BxgIX3H6M0x6BbA9PKgFtDlK4hLR/hDl5fnWG45TVIxT4ybuPXGW7af9U6bGD gXTBNUCzNUz2p2F2u7W/iK0WTfjovYvVVcptegyu6ttZN49KkQtL Message-ID: <403d5d4b-a342-947b-069d-149f1f8232e9@FreeBSD.org> Date: Sat, 4 Aug 2018 07:02:57 +0100 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <5cbb1cc0-8e3f-2736-755e-d182abfd90e6@kicp.uchicago.edu> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="C3hrcDz211Lt1Ujl5zwHzmeYCvtUn16xl" X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 04 Aug 2018 06:03:01 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --C3hrcDz211Lt1Ujl5zwHzmeYCvtUn16xl Content-Type: multipart/mixed; boundary="pcfljdkO6IJRZCGetHDgFoiQ5LwNkPe8M"; protected-headers="v1" From: Matthew Seaman To: freebsd-questions@freebsd.org Message-ID: <403d5d4b-a342-947b-069d-149f1f8232e9@FreeBSD.org> Subject: Re: name resolution puzzle References: <5cbb1cc0-8e3f-2736-755e-d182abfd90e6@kicp.uchicago.edu> In-Reply-To: <5cbb1cc0-8e3f-2736-755e-d182abfd90e6@kicp.uchicago.edu> --pcfljdkO6IJRZCGetHDgFoiQ5LwNkPe8M Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: quoted-printable On 03/08/2018 22:41, Valeri Galtsev wrote: > So, it appears, that the commands "host" and "nslookup" go directly to > DNS server, and do not look into /etc/hosts first which I have expected= =2E host(1), dig(1), delv(1), drill(1) and nslookup(1) are all specifically tools for doing lookups in the DNS. That's the only place they look. If you want to replicate the full hostname resolution process using all the facilities enabled in your nsswitch.conf, use getent(1) like so: getent hosts freefall.freebsd.org Cheers, Matthew --pcfljdkO6IJRZCGetHDgFoiQ5LwNkPe8M-- --C3hrcDz211Lt1Ujl5zwHzmeYCvtUn16xl Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQKTBAEBCgB9FiEEGfFU7L8RLlBUTj8wAFE/EOCp5OcFAltlQZJfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldDE5 RjE1NEVDQkYxMTJFNTA1NDRFM0YzMDAwNTEzRjEwRTBBOUU0RTcACgkQAFE/EOCp 5OcB0xAArb2PFXEtVftLfYnQKuAdmIFb2njnfHxD0L9o4UKZUrTEJvY2nW8zfuLI 79hr22XGIwrXEoeHb+EgmXD9tCsTQbaKvVB2Dhh2mzClWI1DUKBSEfhEkDAVpC5i ze0x9qdJdpZ7yJD7veLwV0yDbK2F4lTl6aPtc1DWLLoipMGA0EuBhTE3CYchZW/U KxApajLWREMLqd9WE6vf4wAD0AdDtuN069U6m2VQCFuHwCryXjgdTrPDL9Fuw1T+ 88r0O5FFqBAhyucX3YBh2rTMIuy7ms7TS3n8aDMGYelKwSwLWik+Sr8K1o/5nf1P ZLFjUpRJtD3BR8579wE9F0961qekDDODWDW5RZ3ElnQ/ZnlV4RZEt50f7ZKPk8Te wU7cimcUmxoVVHEfJ5mB/+cuQ73LFern4Rv7l21VCkKIGMQ73ZKcOphSkmmBzqGj ExYaVjkTEm/X6oCpGnH7TJlsJs2LPOOYVFH+kyrZl86rpf7EotggxftCZvy4g2Tx wnsF1liL9jqmPJiED5UQGuBCRLkdGJgejKqOxx053CltCrz7l5DlKK8wmiWjTK6g 9JKgFQriQbkTg8dMlV/xEEzsMHKKLxvWroZVAMaIEXbuLbS3y6W8WcHf/iQtnDjQ TMn8/Qcr1f0o7Q8lfDutKL5ycnwA5eH4nr/WhwI1nJwFknyisLs= =2jUv -----END PGP SIGNATURE----- --C3hrcDz211Lt1Ujl5zwHzmeYCvtUn16xl--