From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_FONT_LOW_CONTRAST,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 12605 invoked from network); 11 Mar 2021 18:22:02 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 11 Mar 2021 18:22:02 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 8AE9F9B7A0; Fri, 12 Mar 2021 04:21:59 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 3898B9507E; Fri, 12 Mar 2021 04:21:33 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; secure) header.d=xs4all.nl header.i=@xs4all.nl header.b="Hhy7Aqjk"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 730C495074; Fri, 12 Mar 2021 04:21:31 +1000 (AEST) Received: from lb3-smtp-cloud7.xs4all.net (lb3-smtp-cloud7.xs4all.net [194.109.24.31]) by minnie.tuhs.org (Postfix) with ESMTPS id 2517595074 for ; Fri, 12 Mar 2021 04:21:25 +1000 (AEST) Received: from cust-b78b8d39 ([IPv6:fc0c:c13c:98fa:150c:cc7:77d5:90c0:2d4]) by smtp-cloud7.xs4all.net with ESMTPSA id KPvzlzyIRV2T4KPw2lVZq9; Thu, 11 Mar 2021 19:21:23 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xs4all.nl; s=s2; t=1615486883; bh=Pot1UY5hPYX9nO9v70kmWINvLZpxURads6ksBOHhJTU=; h=From:Message-Id:Content-Type:Mime-Version:Subject:Date:To:From: Subject; b=Hhy7Aqjkl9jy5TeTog3+Ojs2DTuVDqdBMS4jJQhBU6bXfahC7h73XBPFrbJ34faJ+ SG9nFXVzOTWr2nva1ONCoLiX+TRsAn656BXgg1mB5MTUdK6+uxzlljKv/a7wklHnPU PqRvim7bz22txmKBscroItr9yOyVekcSQIrBmZBacHmQgzTrxrIMTtiT3FMw6t9S8R Bll9k4WWzeq5Od7p64Qh3X/4C25tnyiRu0oe7kQWULc5V+7GDn20XYUEY/lv7o5ThV 96xADABgyUjKR/ZHx2ORepN8eSq1qW5mUULv9FyDyAlkca9y2GZrTKmT5zvs+Lalhf u5azjFY/Ts25g== From: Jaap Akkerhuis Message-Id: <33B7C007-DFD4-42E9-94A6-534246F3F38F@xs4all.nl> Content-Type: multipart/signed; boundary="Apple-Mail=_BE7526C6-3EDE-4226-9C66-ACF423E55FCB"; protocol="application/pgp-signature"; micalg=pgp-sha1 Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Date: Thu, 11 Mar 2021 19:21:18 +0100 In-Reply-To: To: Clem Cole References: <02d10a8e-2f39-4f88-f4c9-ecb295e0f01e@spamtrap.tnetconsulting.net> <120EC052-FB1F-438F-985F-64E9CD82A9C1@iitbombay.org> X-Mailer: Apple Mail (2.3654.60.0.2.21) X-CMAE-Envelope: MS4xfHe3pT1m3+wX239o+VvWoKAWMNtpH0Kq0aiZIU0JDSUQ+s+hiFJC5cxnu7LuCFOMCQE/AV28QdRuoI9AkpUco1ePUMiuW8ZOGTKN1om4hVWQSk6fHK2H aufd824f7OprXvr6hg4qtnSkSQXfsXpdaJ4GA/OyKCNMgCOzVlAH8bET3z+4LiPp2QM7M0ACw1+zQwLGJNGNfi4pFRdMEwjk2WbT5vOoAdLLnmRhS7lLC5pm fjJdXJeVKrN+c9OBC3NNr4yfyyjlCi4l6IUUWuiypchyuFn6H8WLv69ZHYPJXp4HsdpuUedo2ljgr5kZyv3aMNpipk3pZdkkRDxEz1aKxuCm49hx2KXiTr8y lVEJZIwIkIhPPq2MLg7y2dYbYgSaQA== Subject: Re: [TUHS] [COFF] Pondering the hosts file X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Unix Heritage Society , Bakul Shah , COFF , Grant Taylor , Internet History Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --Apple-Mail=_BE7526C6-3EDE-4226-9C66-ACF423E55FCB Content-Type: multipart/alternative; boundary="Apple-Mail=_CF0A3451-4AAF-438C-AADA-7B2C249299B9" --Apple-Mail=_CF0A3451-4AAF-438C-AADA-7B2C249299B9 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 The "new" host table format is described in RFC 810 = = (mentions UNIX) but it goes back to RFC 608 (1974) or so. jaap > On Mar 11, 2021, at 19:12, Clem Cole wrote: >=20 > The SRI file was different format. There was a tool that fetched and = converted from the PDP-10 scheme to the UNIX scheme - gethtable(8) or = something like that. > =E1=90=A7 > =E1=90=A7 >=20 > On Thu, Mar 11, 2021 at 1:08 PM Warner Losh > wrote: >=20 >=20 > On Thu, Mar 11, 2021 at 10:40 AM Bakul Shah > wrote: > =46rom https://www.freebsd.org/cgi/man.cgi?hosts(5) = > For each host a single line should be present with the following = information: > Internet address > official host name > aliases > HISTORY > The hosts file format appeared in 4.2BSD. >=20 > While this is true wrt the history of FreeBSD/Unix, I'm almost = positive that BSD didn't invent it. I'm pretty sure it was picked up = from the existing host file that was published by sri-nic.arpa before = DNS. >=20 > Warner >=20 >> On Mar 11, 2021, at 9:14 AM, Grant Taylor via TUHS = > wrote: >>=20 >> =EF=BB=BFHi, >>=20 >> I'm not sure where this message best fits; TUHS, COFF, or Internet = History, so please forgive me if this list is not the best location. >>=20 >> I'm discussing the hosts file with someone and was wondering if = there's any historical documentation around it's format and what should = and should not be entered in the file. >>=20 >> I've read the current man page on Gentoo Linux, but suspect that it's = far from authoritative. I'm hoping that someone can point me to = something more authoritative to the hosts file's format, guidelines = around entering data, and how it's supposed to function. >>=20 >> A couple of sticking points in the other discussion revolve around = how many entries a host is supposed to have in the hosts file and any = ramifications for having a host appear as an alias on multiple lines / = entries. To whit, how correct / incorrect is the following: >>=20 >> 192.0.2.1 host.example.net host >> 127.0.0.1 localhost host.example.net = host >>=20 >>=20 >>=20 >> -- >> Grant. . . . >> unix || die >>=20 > _______________________________________________ > COFF mailing list > COFF@minnie.tuhs.org > https://minnie.tuhs.org/cgi-bin/mailman/listinfo/coff = --Apple-Mail=_CF0A3451-4AAF-438C-AADA-7B2C249299B9 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 The = "new" host table format is described in RFC 810 <https://tools.ietf.org/html/rfc810 (mentions UNIX) = but it goes back to RFC 608 (1974) or so.

jaap

On Mar = 11, 2021, at 19:12, Clem Cole <clemc@ccc.com> wrote:

The SRI file was = different format.   There was a tool that fetched and = converted from the PDP-10 scheme to the UNIX scheme - gethtable(8) or = something like that.
3D""=E1=90=A7
3D""=E1=90=A7

On Thu, Mar = 11, 2021 at 1:08 PM Warner Losh <imp@bsdimp.com> wrote:


On Thu, Mar = 11, 2021 at 10:40 AM Bakul Shah <bakul@iitbombay.org> wrote:
From https://www.freebsd.org/cgi/man.cgi?hosts(5)
For each host a single line should =
be present with the following information:
	   Internet address
	   official host name
	   aliases
HISTORY
     The hosts file =
format appeared in 4.2BSD.

While this is true wrt = the history of FreeBSD/Unix, I'm almost positive that BSD didn't invent = it. I'm pretty sure it was picked up from the existing host file that = was published by sri-nic.arpa before DNS.

Warner
 
On Mar 11, 2021, at 9:14 AM, Grant Taylor via = TUHS <tuhs@minnie.tuhs.org> wrote:

=EF=BB=BFHi,

I'm = not sure where this message best fits; TUHS, COFF, or Internet History, = so please forgive me if this list is not the best location.

I'm = discussing the hosts file with someone and was wondering if there's any = historical documentation around it's format and what should and should = not be entered in the file.

I've read the current = man page on Gentoo Linux, but suspect that it's far from = authoritative.  I'm hoping that someone can point me to something = more authoritative to the hosts file's format, guidelines around = entering data, and how it's supposed to function.

A = couple of sticking points in the other discussion revolve around how = many entries a host is supposed to have in the hosts file and any = ramifications for having a host appear as an alias on multiple lines / = entries.  To whit, how correct / incorrect is the = following:

192.0.2.1    host.example.net    host
127.0.0.1    localhost   =  host.example.net    host



--
Grant. . . .
unix || = die

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