Re: [DNSOP] If DNSSEC signatures do not validate ...

Davey Song <songlinjian@gmail.com> Tue, 28 April 2020 15:53 UTC

Return-Path: <songlinjian@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 6692E3A02BE for <dnsop@ietfa.amsl.com>; Tue, 28 Apr 2020 08:53:43 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.098
X-Spam-Level:
X-Spam-Status: No, score=-2.098 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, FREEMAIL_FROM=0.001, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-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 L4eoffgFw_tg for <dnsop@ietfa.amsl.com>; Tue, 28 Apr 2020 08:53:42 -0700 (PDT)
Received: from mail-qk1-x72c.google.com (mail-qk1-x72c.google.com [IPv6:2607:f8b0:4864:20::72c]) (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 066303A0143 for <dnsop@ietf.org>; Tue, 28 Apr 2020 08:53:41 -0700 (PDT)
Received: by mail-qk1-x72c.google.com with SMTP id q7so10156611qkf.3 for <dnsop@ietf.org>; Tue, 28 Apr 2020 08:53:41 -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=kaBRamf2YmDtcvXU3tgEPbqa6tEMN2x3ycG5AVP1hmg=; b=l2SQZJJSuS3iVrQBJxIPqRNf32Gl3D6b9qnIPmTIxHVOroOKcsOMPvASOQp8OlVsxY n3wMT9vCQeGNZtK57OMrL6aHF2El1cac9Xi9+uss9sZjSqE7v0VWK0GlFV8oAhe8CiXJ ZwdvEYHeQe/zH51sGV8vNu5BuvpiU0aQ/otRio24VK5niOBUbyjbIcoyCBHuIh9iOBOj q2OtVVWj/kYNFB7LjAULPY8PFPPwkuHjyljooe9bPn719+3iYCFlvA4WNE9WmZ8hHXG6 uuYPYsaUCtETjUpjDZORtSa7+XcNnvDI1356GWhb9WeTLZ4Y23VnJ/Q9r72ol+TAS0kC FD+A==
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=kaBRamf2YmDtcvXU3tgEPbqa6tEMN2x3ycG5AVP1hmg=; b=gy8LrJlhC7wapi+BtmtCzON7PPXRsdqhcKp/IclXpXjf2h+L52Y7sqoOJCPlxIY/zh 584sZfZwlXz6O280e9RrBmyjXp4YfFSM7Av+fQcLbiVp/+VYYiR43bpsBjgdKu4GPrNh dEXl6JfS7ARHpGLA8bkeQIzT6yrfepo6ZpgfZHXkXMIP+yymWQxPqdyk/4NG/Q+O9csd Z/4rp1BJzaDARz+QE8kWQ5Nx79qS0Ee9xTKbLHL7y9SSi3H2UoWXx474T7d1OM2DnipW RLEtOZufDw/C36tZJqgTVjgLpzyO3io4m/YUGmZV4bEknd2EKGpRmaKR9uabpZrJQBlL mPbA==
X-Gm-Message-State: AGi0PuZmPuPaPzkQomaZdi33FmHh0gdyzAbPYPgAah0dZQyDcrGrtB+P wb4wXnzNQ9xjqastqvzsoNvAAOiaNB2xr6cUjKE=
X-Google-Smtp-Source: APiQypLxWVJaodaedfnApVAMsiq6QRIefPGuZYuobhcupXibda/ioPH4FRsttsq30QR0pnjTsCyeyTYnVllwwp+Ap9o=
X-Received: by 2002:a05:620a:541:: with SMTP id o1mr26219318qko.89.1588089221010; Tue, 28 Apr 2020 08:53:41 -0700 (PDT)
MIME-Version: 1.0
References: <CAAObRXL-hFZ1jFo8dW-+M+2SR8gJ7vypKLMaJNuQJBvCsdJ0Gg@mail.gmail.com> <alpine.LRH.2.21.2004280931470.18623@bofh.nohats.ca> <CAAObRXJKf67Hv8i+fTUWcQMqpk-8hL6PPQ=iXtWnZ8yzk-wNWQ@mail.gmail.com> <CAHPuVdWpqEs+OfVT6Udviyigwegh6416sG5MeaBY_3mf5mpJPw@mail.gmail.com> <CAAObRXK36VVFTXd=_SNje4z3muBvUL3SZa0PmONgu50-V1r7ug@mail.gmail.com> <alpine.LRH.2.21.2004281120160.18623@bofh.nohats.ca> <CAHPuVdWieJoTAtEjvdZKCNR7Y8mtb=oi4C4+g1Dw33rNOY2_9A@mail.gmail.com>
In-Reply-To: <CAHPuVdWieJoTAtEjvdZKCNR7Y8mtb=oi4C4+g1Dw33rNOY2_9A@mail.gmail.com>
From: Davey Song <songlinjian@gmail.com>
Date: Tue, 28 Apr 2020 23:53:28 +0800
Message-ID: <CAAObRXJf-=woUKvAWD8YwX16-P5tT9FrekWBeYE6ROR39TMtnQ@mail.gmail.com>
To: Shumon Huque <shuque@gmail.com>
Cc: Paul Wouters <paul@nohats.ca>, dnsop <dnsop@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000e3da6305a45bd54c"
Archived-At: <https://mailarchive.ietf.org/arch/msg/dnsop/UGnX6IVXKQfONocYr-WVB-k7fns>
Subject: Re: [DNSOP] If DNSSEC signatures do not validate ...
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, 28 Apr 2020 15:53:44 -0000

>
> Davey - if there is a pervasive/omnipresent man-in-the-middle attacker,
> then no security protocol (DNSSEC, TLS, HTTPS or any other) can
> _prevent_ the attack. All they can do is to _detect_ that an attack is
> taking
> place (and probably abort).
>
> Shumon.
>

Fair enough.

Davey

>