Re: [dns-privacy] Call for adoption: draft-vandijk-dprive-ds-dot-signal-and-pin

John Levine <johnl@taugh.com> Wed, 12 August 2020 18:39 UTC

Return-Path: <johnl@iecc.com>
X-Original-To: dns-privacy@ietfa.amsl.com
Delivered-To: dns-privacy@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E52A03A0772 for <dns-privacy@ietfa.amsl.com>; Wed, 12 Aug 2020 11:39:12 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 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, HEADER_FROM_DIFFERENT_DOMAINS=0.001, 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=iecc.com header.b=hYrWlLYW; dkim=pass (2048-bit key) header.d=taugh.com header.b=To2Hwbe9
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 XzRweQr58Y1O for <dns-privacy@ietfa.amsl.com>; Wed, 12 Aug 2020 11:39:11 -0700 (PDT)
Received: from gal.iecc.com (gal.iecc.com [IPv6:2001:470:1f07:1126:0:43:6f73:7461]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 477273A0747 for <dns-privacy@ietf.org>; Wed, 12 Aug 2020 11:39:10 -0700 (PDT)
Received: (qmail 52671 invoked from network); 12 Aug 2020 18:39:10 -0000
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=iecc.com; h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding; s=cdbc.5f34374e.k2008; bh=vt86dCOago7ArGvWrF5c/wbnEzTAvX96ovr4sBnRaa4=; b=hYrWlLYWBr+oKnDUjJk+9kgFI17iPwzEpc7kv+Bl8nO3UbbYClRWb2LZNm9mD8cv1BydTDZ0LbKj3P00VoCd/zaJeziTejgCzevzHvFuUXwwf8JF7YMuvYqbhqrDIOb1m/hSjqmwfX5lyJVbGBupRfjyDar1VE7HQ979pyuZ0gTvW6NoS6r1zCP8+/qr3rTl888ZCsKHk+x0CBpo6Gv7Nh7YIjRwqi68gyhJrS7NHcEL8fBNQzQlchS1mBx1HoOqrsvWEekGccpqFfQI9PRDAI41fwnMloq9zRcPU0CdUcPQDpHNP5RDOwnxllK5ylXC8sZdkGHDIUB62R2B1RY9PA==
DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=taugh.com; h=date:message-id:from:to:cc:subject:in-reply-to:mime-version:content-type:content-transfer-encoding; s=cdbc.5f34374e.k2008; bh=vt86dCOago7ArGvWrF5c/wbnEzTAvX96ovr4sBnRaa4=; b=To2Hwbe9BVpTtvz5DiPyXw/hpQOa8AGSlEBWtTBshGnSDmQj9krTNaqTrd5YNMrp1spo6/DdQfV/Mtvh2caoStu0cdOeHPmXKd1JJnNzBbiOTV9PGLwaEvU9hMGL2hNRtTItnieHOUMiYTFdhmJ8lKtlpq7lPZG02liuLVDh1mzc2xM1S1erLNRX0AGGzFuCS9VfdOhpQn934LzlNpBih0eM5G2KWfNUA8dYlASLsD4H3+Dd7jc920ZQa+ed1rwqAPJcAt151yCfB5rOFDXniCHrS5rvdcI+Cvh5OjY4Kz4vYcwix8leylGgD8JGbMvGhY2PJJh5SsUhB2MRIGUb7Q==
Received: from ary.local ([IPv6:2001:470:1f07:1126::78:696d:6170]) by imap.iecc.com ([IPv6:2001:470:1f07:1126::78:696d:6170]) with ESMTPS (TLS1.2 ECDHE-RSA AES-256-GCM AEAD) via TCP6; 12 Aug 2020 18:39:09 -0000
Received: by ary.local (Postfix, from userid 501) id 73D5C1E89013; Wed, 12 Aug 2020 14:39:09 -0400 (EDT)
Date: 12 Aug 2020 14:39:09 -0400
Message-Id: <20200812183909.73D5C1E89013@ary.local>
From: "John Levine" <johnl@taugh.com>
To: dns-privacy@ietf.org
Cc: paul@nohats.ca
In-Reply-To: <alpine.LRH.2.23.451.2008112138490.99493@bofh.nohats.ca>
Organization: Taughannock Networks
X-Headerized: yes
Mime-Version: 1.0
Content-type: text/plain; charset=utf-8
Content-transfer-encoding: 8bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/dns-privacy/eZUIeW6_aiJ-2289XEls70lAeW4>
Subject: Re: [dns-privacy] Call for adoption: draft-vandijk-dprive-ds-dot-signal-and-pin
X-BeenThere: dns-privacy@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: <dns-privacy.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dns-privacy>, <mailto:dns-privacy-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dns-privacy/>
List-Post: <mailto:dns-privacy@ietf.org>
List-Help: <mailto:dns-privacy-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dns-privacy>, <mailto:dns-privacy-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 12 Aug 2020 18:39:13 -0000

In article <alpine.LRH.2.23.451.2008112138490.99493@bofh.nohats.ca> you write:
>I am against adoption for two reasons. The draft as it currently is,
>requires that domain name owners and nameserver hosting administrators
>synchronise their nameserver TLS keys.

Why wouldn't you publish multiple DS records for multiple nameserver
keys, like the draft says? We have multiple DS for multiple DNSKEYs.

>Second, this method introduces a possible national MITM by the TLD being
>able to put in TLD wide DS records that might be published against the
>wishes of the childen within the TLD.

I don't understand the issue. How is that any different from now? If a
parent publishes a DS with a key that doesn't match a child DNSKEY,
the child loses.

R's,
John

PS: I am not 100% sure I like this draft but I like it enough to adopt it
and work on it.