IETF Logo Mail Archive

Re: [arch-d] Treating "private" address ranges specially

Martin Thomson <mt@lowentropy.net> Wed, 31 March 2021 06:21 UTC

Return-Path: <mt@lowentropy.net>
X-Original-To: architecture-discuss@ietfa.amsl.com
Delivered-To: architecture-discuss@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D407D3A1BE6 for <architecture-discuss@ietfa.amsl.com>; Tue, 30 Mar 2021 23:21:16 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.82
X-Spam-Level:
X-Spam-Status: No, score=-2.82 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=lowentropy.net header.b=Konxdkgt; dkim=pass (2048-bit key) header.d=messagingengine.com header.b=p3iifKHQ
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mKw6vOVXABeS for <architecture-discuss@ietfa.amsl.com>; Tue, 30 Mar 2021 23:21:12 -0700 (PDT)
Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EE6EA3A1BE4 for <architecture-discuss@ietf.org>; Tue, 30 Mar 2021 23:21:11 -0700 (PDT)
Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id AB73E5C0126; Wed, 31 Mar 2021 02:21:09 -0400 (EDT)
Received: from imap10 ([10.202.2.60]) by compute1.internal (MEProxy); Wed, 31 Mar 2021 02:21:09 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lowentropy.net; h=mime-version:message-id:in-reply-to:references:date:from:to :cc:subject:content-type; s=fm1; bh=CFshGXO5NxonvV+W0NuxxAZPxbKn PtsPTzr0ucUQ3lU=; b=Konxdkgt+ME1dZkgbcNl3u5UKx1XaeBye2IaatWWGYXY EOzFup0WhpXafowmumpr5Dw+HEJCtuzldWliTHxaCaDJE6Q1PGh9MDk0nmuPg/tk Z37lbUeJhDAQ7NLxP3S57Bq7pUGSlBlxg3+wqWfg6lXqA3fdngrZaEsAS9WEbz/R SkjXpFTn/TRBYDbDzP2gHJYohcILNCjn0GDWN2b6ixsPoNW2pbkE8XrNgPjrBFJ4 90n7kDa8GqtkkzkVdNuCHdqBl6FCyCeZ0WZvJ4TOahUQK6pleUatURR/3E7mkbfy l64feQ8Up8SaniaFv4m2zDoQg+ZHO6bHTmwr8Al3Ng==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=CFshGX O5NxonvV+W0NuxxAZPxbKnPtsPTzr0ucUQ3lU=; b=p3iifKHQEX8lFCBQfys7+7 QurckN0Zqk3hLC8uZTx+2UDb0t2qs+0ln2Hta6dUEMtVmekg/6nYC3AZ2ZXU/Ulg r/59JlG/V0bILBNASc/4ZvtUeE5pgqUoHzf1tU1svck7/mo9ZBJFmky26gM720FH FV2tOtigqIipIhNQTXJqCOw7e2BoBC3ntqJV/MOzFjsjqToYcyZTODsmqw+gVWwf GPG36McXf9zMr5FcK20KPNnPxPVgMrX4x+Y9bUa7hdwXYto+qbs+ypFNyeTqUD3P Fx0Rdc/MxpdICgwjt+PWdZ8awYtKUXeGjc2w4hSwUEWDNg4ncfAC+znM61wY7vEg ==
X-ME-Sender: <xms:1RRkYIHUxWN6yuoSWb8E_hf3kkGLlR0iPNe6CHgq3p9QWAbyxqEfjQ> <xme:1RRkYBV9CUX8noZYwl42RkuvrkVENfwEhSxSyGf4_FLxFFxIKOe2iMU0E_OnE-_5M LwnhfvUSB5DQDBsb8s>
X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrudeiuddguddthecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecunecujfgurhepofgfggfkjghffffhvffutgesth dtredtreertdenucfhrhhomhepfdforghrthhinhcuvfhhohhmshhonhdfuceomhhtsehl ohifvghnthhrohhphidrnhgvtheqnecuggftrfgrthhtvghrnhepkeetueeikedtkeelfe ekvefhkeffvedvvefgkefgleeugfdvjeejgeffieegtdejnecuvehluhhsthgvrhfuihii vgeptdenucfrrghrrghmpehmrghilhhfrhhomhepmhhtsehlohifvghnthhrohhphidrnh gvth
X-ME-Proxy: <xmx:1RRkYCJ4J2inFRLwcKj6yTQEQf6b8VwFX8ePBjuFAk03W1L_kx3Z3w> <xmx:1RRkYKEe-E7Z0AyhK_x0v96jSlaZR_aR8MB8fqYHEgAv8qv_fsjwXg> <xmx:1RRkYOV02aGTWJoDRbA0lJ1OXqMX1sIdOiM2cQ5AmzkSpZ4QzBw2SQ> <xmx:1RRkYJBdtlnYe14DuA7TtDJ_CEiygQmpPbipeuiIHZfYQcmt63pomQ>
Received: by mailuser.nyi.internal (Postfix, from userid 501) id 4C50F4E0163; Wed, 31 Mar 2021 02:21:09 -0400 (EDT)
X-Mailer: MessagingEngine.com Webmail Interface
User-Agent: Cyrus-JMAP/3.5.0-alpha0-273-g8500d2492d-fm-20210323.002-g8500d249
Mime-Version: 1.0
Message-Id: <a68636c2-5df0-46eb-8147-79ec6a992f8a@www.fastmail.com>
In-Reply-To: <CAMGpriUJkWYPyw7=oAj_GnGu2J14T3=VZYNWPZtAs870P=x0sg@mail.gmail.com>
References: <4329d51a-d5ba-45b3-9fb0-6795dc6fccd3@www.fastmail.com> <CAMGpriWA4B8AThNKBOHo-bfAdQ2s5iYv8rBOB7X8UVc5GsqENA@mail.gmail.com> <CAMGpriUJkWYPyw7=oAj_GnGu2J14T3=VZYNWPZtAs870P=x0sg@mail.gmail.com>
Date: Wed, 31 Mar 2021 17:20:39 +1100
From: Martin Thomson <mt@lowentropy.net>
To: Erik Kline <ek.ietf@gmail.com>
Cc: architecture-discuss@ietf.org
Content-Type: text/plain
Archived-At: <https://mailarchive.ietf.org/arch/msg/architecture-discuss/XZo-gtIAS_XjdmnB85kToxFJIBM>
Subject: Re: [arch-d] Treating "private" address ranges specially
X-BeenThere: architecture-discuss@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: open discussion forum for long/wide-range architectural issues <architecture-discuss.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/architecture-discuss>, <mailto:architecture-discuss-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/architecture-discuss/>
List-Post: <mailto:architecture-discuss@ietf.org>
List-Help: <mailto:architecture-discuss-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/architecture-discuss>, <mailto:architecture-discuss-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 31 Mar 2021 06:21:17 -0000

On Wed, Mar 31, 2021, at 17:17, Erik Kline wrote:
> My mistake.  I think the key text I didn't property absord was "the 
> current url's host".

:) Yes, though if you have name resolution that produces a ULA (which might happen in mDNS), then you would be contacting a "private" address.

v2.23.0 | Report a Bug | By Email