Re: [DNSOP] [External] Re: Fwd: [Add] new draft: draft-grover-add-policy-detection-00

Rob Sayre <sayrer@gmail.com> Tue, 16 July 2019 04:00 UTC

Return-Path: <sayrer@gmail.com>
X-Original-To: dnsop@ietfa.amsl.com
Delivered-To: dnsop@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id F29E012004F for <dnsop@ietfa.amsl.com>; Mon, 15 Jul 2019 21:00:08 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.997
X-Spam-Level:
X-Spam-Status: No, score=-1.997 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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=gmail.com
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 Ip4hozZF6x7t for <dnsop@ietfa.amsl.com>; Mon, 15 Jul 2019 21:00:07 -0700 (PDT)
Received: from mail-io1-xd31.google.com (mail-io1-xd31.google.com [IPv6:2607:f8b0:4864:20::d31]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 60F3F120033 for <dnsop@ietf.org>; Mon, 15 Jul 2019 21:00:07 -0700 (PDT)
Received: by mail-io1-xd31.google.com with SMTP id s7so37635498iob.11 for <dnsop@ietf.org>; Mon, 15 Jul 2019 21:00:07 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3EuioTMNjVwp8cZD+Bmz+9boDzq0Ui4ek/rdnm5y1q4=; b=kHGiyb+ornBIXZgFNzirnUhOoB52uXTRteQT0HqK/VRDpZwcDJ7Nw0gmxTukvBKlqm aJac3S0yUeoENVBw8S1c8VbesYeWzhWrNVNHyQlPiVFgpyeww3vm62E9obvp1IRiXc9l M5Ow+DbTJoRilNCOBkSEixuyrqL5/6gBKp7ynIvmLmoER5Q6aodOndRFDN7821DJ8A4o PKTLXIUMk2Ow+aIv5kXJvFdE8g+omG4TzXu8Q6XSdiTsdSdswLH7JKh3l81F/okRoXtE LDAnRWdpU9v2vNSZQFhJ7WoaEp9dYbyDLd7caNeBlJjJtd0gyH0p/3JRINpRgO1FJ+bz DHlw==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3EuioTMNjVwp8cZD+Bmz+9boDzq0Ui4ek/rdnm5y1q4=; b=kPdF5eEauKf0pK9CJh0ir0w6WRHZMmuYn/3HQL2/5LAlwuHuFoNVlSTwMxCX+ssiHv VuHX3B7jb/zYmC+ArZRrLkIzLXjVeOnlEWWRGZWExgY4lCKmnxoEdGjnrr4HD9Za7qlG KmN+OW9M4n/w1WvSbCnnVcPdWhsiYRlaVQy6EdWnQNSi6BMdzdedkR68Tzmhugzfhr5L XymskfUTCySSsxtL/VLsX3hbpVZRP26tDeu1oCRIHrv2JT+LtdVx7qs2z9fgq5p/0YWN 4ngPUTPlZMVX2i3ll5SfiJnfkP7rWDsrrTE/Mr3AGeooZjvCW+kVEOOms5qP3kWo250m T8bw==
X-Gm-Message-State: APjAAAXIYAfc0VGEI2b6CHsRy61J9JD3mCAFn1hCbvfX7dZDsRVSWJ6f yL2afFUVIFf9So9hl8ypH8ahg7AiYsCjno20hiA=
X-Google-Smtp-Source: APXvYqx/yw7pz+9G6usjk9RZiIguyJoRF0RrFPCRPSQJkOPJXabPoNCN3VKQ4QNEFAeuTMIhr9ALWegFeiw15F6JfSw=
X-Received: by 2002:a5e:c00e:: with SMTP id u14mr30000785iol.196.1563249606645; Mon, 15 Jul 2019 21:00:06 -0700 (PDT)
MIME-Version: 1.0
References: <CAChr6SyVmgMpD6Cd=m2Z03nts-Bv9ZVgJkG8oaj_jzwYMUZuCg@mail.gmail.com> <4966582.gC1Lsr5W4Z@linux-9daj> <CAChr6SyapDz8ZKNU8nOuncPMWajBuE+eF3WMFP9GWAs+B-uP9g@mail.gmail.com> <3220557.rvQTihJl8x@linux-9daj> <CAChr6SyM3LSgAdu5+SJGq-n=+AZc7M44BVSru_EZgf9svBHo3w@mail.gmail.com> <OF8D4BE6E1.0CDB3E8E-ON86258438.005BC3BC-86258438.005CDBC6@prominic.net> <b109c871-5980-1599-4e6c-2a126da89519@mozilla.com> <CAChr6SwLn62im2u65uWvR86=L7=oM+YuCAEAtkLkuV_1t53d+g@mail.gmail.com> <882ddc6b-3f0f-eaf9-0aec-4fe1d6150f75@pmtu.dev>
In-Reply-To: <882ddc6b-3f0f-eaf9-0aec-4fe1d6150f75@pmtu.dev>
From: Rob Sayre <sayrer@gmail.com>
Date: Mon, 15 Jul 2019 20:59:54 -0700
Message-ID: <CAChr6SziM0mZb0ydWgwzhRf1JA0wKMTP5tWa7PNqWvzaUr4TgQ@mail.gmail.com>
To: Andy Grover <andy@pmtu.dev>
Cc: dnsop@ietf.org
Content-Type: multipart/alternative; boundary="0000000000007fde03058dc46952"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/wi9l5suUXB_5dOdzBBA7yPLl22k>
Subject: Re: [DNSOP] [External] Re: Fwd: [Add] new draft: draft-grover-add-policy-detection-00
X-BeenThere: dnsop@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: IETF DNSOP WG mailing list <dnsop.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dnsop>, <mailto:dnsop-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dnsop/>
List-Post: <mailto:dnsop@ietf.org>
List-Help: <mailto:dnsop-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dnsop>, <mailto:dnsop-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 16 Jul 2019 04:00:09 -0000

On Mon, Jul 15, 2019 at 8:52 PM Andy Grover <andy@pmtu.dev> wrote:

> To speak more concretely, right now some existing filtering DNS
> providers have ways for users to know if things are working as desired.
> OpenDNS has internetbadguys.com for examplle, and other providers have
> similar. These are useful, but would be more broadly useful if they
> weren't provider-specific. That's basically all this draft is proposing
> -- defining one canary domain to check instead of one for each provider.
>

Isn't the issue that encrypted DNS might be served by popular providers?

So, if DNS and lots of the web are served by Azure or AWS or GCP, a
functioning
DoH protocol would make it hard to implement naive filtering.

thanks,
Rob