IETF Logo Mail Archive

Re: [Ntp] Danny's Review (was Re: draft-ietf-ntp-roughtime-05: tag change makes implementation more complex)

JP Sugarbroad <taralx@gmail.com> Tue, 28 September 2021 16:40 UTC

Return-Path: <taralx@gmail.com>
X-Original-To: ntp@ietfa.amsl.com
Delivered-To: ntp@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A7C203A33FF for <ntp@ietfa.amsl.com>; Tue, 28 Sep 2021 09:40:14 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.097
X-Spam-Level:
X-Spam-Status: No, score=-2.097 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, 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 pai6P8h6P_hL for <ntp@ietfa.amsl.com>; Tue, 28 Sep 2021 09:40:10 -0700 (PDT)
Received: from mail-yb1-xb2f.google.com (mail-yb1-xb2f.google.com [IPv6:2607:f8b0:4864:20::b2f]) (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 0A0103A3400 for <ntp@ietf.org>; Tue, 28 Sep 2021 09:40:10 -0700 (PDT)
Received: by mail-yb1-xb2f.google.com with SMTP id h2so33064614ybi.13 for <ntp@ietf.org>; Tue, 28 Sep 2021 09:40:09 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=WcItG1ccCNvoB7wT/gI6gwHu5M019P6Yvxpcn6o5SOs=; b=ceSpGYGcg39RNK6LX71ckBwvblgo5ZAmGpyN45YyEaacH9DO2pFqGa5zm6YK7cL8fP H9HfowQvy8NLBnMK2Al8eWfs6VEG5F4ElX+vi0YQeLxMFpC8rm96oIG2Qtwee94XAJY8 xVfpHILPoL9xaGF418JdaDXsCQuoILQaQt829Eb/45H+2ZBztEM9EKv1DmVaEuN8VlS8 HdM30Bhmn6rEfDEmbisVhQ6FQetC+bjxLbu1bOEOwT6ONnFKnm+n4lB0CMRqURJGlAX3 i+G1EK3mr1JUbUYpCaB3T/9PFD5K/C/UywPNwCs0C+ZzHAcvAAZns3STYoOZtCGsMw5T c0Ug==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=WcItG1ccCNvoB7wT/gI6gwHu5M019P6Yvxpcn6o5SOs=; b=LRFftJM0fMBPKYTkGsoqlHoRbYpfMd4IcvZIMFPO0C6iVAMhuGOeN8prCpWe4FntVZ J9QJS+pJx3oaq6jCs7TG2M4rr5CnvaNppnCncXDu3JxNlrWyZr38WnN4WMElkNbBJYqk VvYLyJwFRH4uvtXTbtXdY0g0WiGFQcQut3GE5wtstgUn2Ih1TERWrbSUu3qQTCi+t3mU YqJT7qzQty9Fv/Xj8TZtpcMmBwTnID3RQx4UP86EVVzkHgNsTSX6hJVCOSkQ8mvNtMmQ AEhRke/asNdaFFIsjEtQnB2FAtSSVVUFru36MZ7U8CUJJKGmD0X5g1FGEF+NqpD4HmAA 181A==
X-Gm-Message-State: AOAM530rickdlYFR9fxAlzH0xFtiuG1v3cic6xtDcsGulV7FwanFm3l4 PGG7uiKZ+8t17jll3xpCYLuZWTlcheJrH9EIk7K3i32N
X-Google-Smtp-Source: ABdhPJzFBnqitED2TqlqjwENwhvKA17L5Gu0oyDGJBA3OJcrZcKN7kCNruDrlOgC+9c6IpyOVLzz9UKuIclkqcuBysE=
X-Received: by 2002:a25:b904:: with SMTP id x4mr6961687ybj.48.1632847208923; Tue, 28 Sep 2021 09:40:08 -0700 (PDT)
MIME-Version: 1.0
References: <CAGZkp1-ZCuSvMyQyWCnE511O8-WL=OXfsTdraKsByMmWC3spVA@mail.gmail.com> <CACsn0ckZmR=k2NAmdyhVOA=V_XQ18AnBUBSTOu+bDXS1YsPpUg@mail.gmail.com> <CAGZkp18eASaF7qvubYpDgzvg643ZXuPwDs9qsiC1P_AVLcywLA@mail.gmail.com> <CACsn0cnjHFwxHT13nMavRFzRteWJ=SORY8v4RCZjdjYP0H3oaw@mail.gmail.com> <7dde7eb3-4dc7-94d3-e63a-6d5d0736b1c2@pdmconsulting.net> <54baf1fa-b138-4eb8-6f4e-99168cf2db7b@dansarie.se> <0a95d35f-f708-4a3c-4ecf-77597c42a7a4@pdmconsulting.net> <CACsn0c=gdQWDumfzeHYYWzXPV4sz4J9mTUtYW+4=KueaHHbGdQ@mail.gmail.com> <79dfd56c-54e8-8b85-ed9d-da9fac71d1f1@pdmconsulting.net> <c95eaafb-f294-a54e-d495-0cf74e574686@pdmconsulting.net> <CACsn0cmks2fdwem1rS+QNzCL1WhNR4890Fi1zpjQrL=E3Y=3fQ@mail.gmail.com> <684af837-0713-9293-168b-8b140bf15d22@pdmconsulting.net>
In-Reply-To: <684af837-0713-9293-168b-8b140bf15d22@pdmconsulting.net>
From: JP Sugarbroad <taralx@gmail.com>
Date: Tue, 28 Sep 2021 09:39:56 -0700
Message-ID: <CAGZkp183CgJJOd5O5dDdeKtAzgCobwBzpZe3ixBWJ-ZLQXB6bg@mail.gmail.com>
To: Danny Mayer <mayer@pdmconsulting.net>
Cc: Watson Ladd <watsonbladd@gmail.com>, Marcus Dansarie <marcus@dansarie.se>, NTP WG <ntp@ietf.org>
Content-Type: multipart/alternative; boundary="000000000000dc46d005cd10dd63"
Archived-At: <https://mailarchive.ietf.org/arch/msg/ntp/Gi-UpE0WqmT7Eg6UJNRNPP77aRs>
Subject: Re: [Ntp] Danny's Review (was Re: draft-ietf-ntp-roughtime-05: tag change makes implementation more complex)
X-BeenThere: ntp@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Network Time Protocol <ntp.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ntp>, <mailto:ntp-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ntp/>
List-Post: <mailto:ntp@ietf.org>
List-Help: <mailto:ntp-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ntp>, <mailto:ntp-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 28 Sep 2021 16:40:15 -0000

On Tue, Sep 28, 2021, 08:43 Danny Mayer <mayer@pdmconsulting.net> wrote:

> Get rid of the useless "ROUGHTIM" string in the header and replace it with
> something useful, including the version number.
>
I don't think it's useless. We've seen a number of "tunneling" and
"punning" attacks where one protocol is mistaken for another. Having a
protocol unambiguously self-identify is useful.

- JP

>

v2.23.0 | Report a Bug | By Email