From owner-freebsd-questions@freebsd.org Tue Jan 12 02:25:02 2021 Return-Path: Delivered-To: freebsd-questions@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D9A7A4EDB6D for ; Tue, 12 Jan 2021 02:25:02 +0000 (UTC) (envelope-from vas@sibptus.ru) Received: from admin.sibptus.ru (admin.sibptus.ru [IPv6:2001:19f0:5001:21dc::10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4DFDtj6Q0nz3mtw for ; Tue, 12 Jan 2021 02:25:01 +0000 (UTC) (envelope-from vas@sibptus.ru) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sibptus.ru; s=20181118; h=In-Reply-To:Message-ID:Subject:To:From:Date; bh=1w1/zBbmizffr+NlEXL4xkr89ARMY5ZOW187oIvvoa0=; b=TjmR85qMWQ/vXPEY46YAoNVHFQ omsF78MWI4ATknflK5V2NtRgb3DzPSp9pejxmGHrUxwIZ3Ho+Tmjr2j1O/TgKtrRv01MJDHhDBz6Z kRVA5kAVkcDdHRNeX919EjLd3k808Bm4xE4Pr8bsXftEzrVRG4deGs1Rd6rfmaK6K3kQ=; Received: from vas by admin.sibptus.ru with local (Exim 4.94 (FreeBSD)) (envelope-from ) id 1kz9Mb-000DNe-CK for freebsd-questions@freebsd.org; Tue, 12 Jan 2021 09:24:53 +0700 Date: Tue, 12 Jan 2021 09:24:53 +0700 From: Victor Sudakov To: freebsd-questions@freebsd.org Subject: Re: Why services.db? Message-ID: <20210112022453.GA51163@admin.sibptus.ru> References: <244e6157-2bc8-9587-4b4f-e67b8f5af3c8@tundraware.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="LZvS9be/3tNcYl/X" Content-Disposition: inline In-Reply-To: <244e6157-2bc8-9587-4b4f-e67b8f5af3c8@tundraware.com> X-PGP-Key: http://admin.sibptus.ru/~vas/ X-PGP-Fingerprint: 10E3 1171 1273 E007 C2E9 3532 0DA4 F259 9B5E C634 X-Rspamd-Queue-Id: 4DFDtj6Q0nz3mtw X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=sibptus.ru header.s=20181118 header.b=TjmR85qM; dmarc=pass (policy=none) header.from=sibptus.ru; spf=pass (mx1.freebsd.org: domain of vas@sibptus.ru designates 2001:19f0:5001:21dc::10 as permitted sender) smtp.mailfrom=vas@sibptus.ru X-Spamd-Result: default: False [-5.10 / 15.00]; RCVD_TLS_LAST(0.00)[]; RBL_DBL_DONT_QUERY_IPS(0.00)[2001:19f0:5001:21dc::10:from]; R_DKIM_ALLOW(-0.20)[sibptus.ru:s=20181118]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; TO_DN_NONE(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2001:19f0:5001:21dc::10:from:127.0.2.255]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; DKIM_TRACE(0.00)[sibptus.ru:+]; DMARC_POLICY_ALLOW(-0.50)[sibptus.ru,none]; NEURAL_HAM_SHORT(-1.00)[-1.000]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:20473, ipnet:2001:19f0:5000::/38, country:US]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jan 2021 02:25:02 -0000 --LZvS9be/3tNcYl/X Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Tim Daneliuk wrote: > Back in the olden daze, services where defined in /etc/services. >=20 > I came upon a rather large /var/db/services.db that seems somehow oblique= ly > related to this but I am unclear on a few things: >=20 > - Why does this file exist? What problem is it solving? Isn't it for use in nsswitch.conf?=20 /etc/nsswitch.conf can use databases instead of plain files, probably to speed up lookup. >=20 > - Can it be safely removed? Unless you use "services: db" in /etc/nsswitch.conf, then probably it's safe to remove. If you do, you'd better keep the database up-to-date. --=20 Victor Sudakov, VAS4-RIPE, VAS47-RIPN 2:5005/49@fidonet http://vas.tomsk.ru/ --LZvS9be/3tNcYl/X Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJf/Qh1AAoJEA2k8lmbXsY0VV4H/i4MWmB89KIwiWgrH6B4QBgf AYQgEIauMf8ep0bCFQsoTZPG2FWtJc7a2Jjy8OJmw3xVI39sDEKr4aCKwxEHC45W thsTX2YKzGMu/BRu47JTH3d7oeUMJ06hoemSzBu1RltRj1orYrdl4Cb9EiPkJwhb uO1HI27+Qwzad9x0RjAoowIwKrGaqUzDSV6MH4QV9TZA4V7fLrBfSAHYPhfT7/Mm 1WV/Ma8jigXgIWa3rP3NY7NHo4z7zp2xwqcvYmRNsebSE3uzON3zMsD5Ltmegrte pgKZy9yq3QKywncVpzE5qlloQs0+1/QhcrphUGbMCh48uO3X+2ziUCeywtnOIxU= =xxc3 -----END PGP SIGNATURE----- --LZvS9be/3tNcYl/X--