IETF Logo Mail Archive

Re: [Acme] Issue: Allow ports other than 443

Martin Thomson <martin.thomson@gmail.com> Mon, 23 November 2015 18:23 UTC

Return-Path: <martin.thomson@gmail.com>
X-Original-To: acme@ietfa.amsl.com
Delivered-To: acme@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A1D5D1B2BAB for <acme@ietfa.amsl.com>; Mon, 23 Nov 2015 10:23:09 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.4
X-Spam-Level:
X-Spam-Status: No, score=-1.4 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, J_CHICKENPOX_17=0.6, SPF_PASS=-0.001] autolearn=no
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 sLD-jdKFk9q5 for <acme@ietfa.amsl.com>; Mon, 23 Nov 2015 10:23:08 -0800 (PST)
Received: from mail-io0-x235.google.com (mail-io0-x235.google.com [IPv6:2607:f8b0:4001:c06::235]) (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 822961B2A4A for <acme@ietf.org>; Mon, 23 Nov 2015 10:23:08 -0800 (PST)
Received: by iofh3 with SMTP id h3so196573673iof.3 for <acme@ietf.org>; Mon, 23 Nov 2015 10:23:08 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=tr7r9AxIk9tPb/A1C0ZSNm4uEeJ+eqj1EBWsQoHxYtI=; b=tUXu7RckKKy07wQuj2o5BpmKQ+8vpdycDcTOP2Q/pTd82P6zOho1Yj5dseWJLOQ8eG /XMerCwkmbkflw5J/uqlXJ5wAAdEjDgzc6qtqJOLFS4s330xn8Toj6IsmApTah+GKa2u NXbuNzZ+3/+88rhBswcNcZSfeJsogR00lqlkTzVva8Vy19sOjxZapKCFe2dtRsqoOn4V 3/nerL+5PENurcOrmwsAhwAc9TybMXm3TeOEEUvkeW2TegrQ/HM6wTjjex0VLeh8AAJf HJ78HxZiLnGLEdmvpthia/fS1k6bieKuQbg91HjUi6n/lIQ08gfo6qcFqU8VUnN1K9XO BXPA==
MIME-Version: 1.0
X-Received: by 10.107.33.203 with SMTP id h194mr24465787ioh.108.1448302987925; Mon, 23 Nov 2015 10:23:07 -0800 (PST)
Received: by 10.36.155.139 with HTTP; Mon, 23 Nov 2015 10:23:07 -0800 (PST)
In-Reply-To: <CAEfrY1WHEnbKtTQXDeSGCYaHeNhLuJUs7iWhh3J02imKZBjgaw@mail.gmail.com>
References: <5e9b22a3942d4a39981878b13e4a7752@usma1ex-dag1mb1.msg.corp.akamai.com> <0630035C-E4F6-41AA-A339-7101B448F0FA@vigilsec.com> <CABkgnnUxSwMmOR=QVE-gMvj9dHW6Tk2Z=EO7RDx6E5zVAp_SrQ@mail.gmail.com> <CAEfrY1WHEnbKtTQXDeSGCYaHeNhLuJUs7iWhh3J02imKZBjgaw@mail.gmail.com>
Date: Mon, 23 Nov 2015 10:23:07 -0800
Message-ID: <CABkgnnWEoRgi8sLriMd_zxMO_nAZz+5aCfUKcRzLwzyuwGv1FA@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Douglas Calvert <dcalvert@securityinnovation.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <http://mailarchive.ietf.org/arch/msg/acme/hvE8DZAov1OwPxhQ1hSUX2ERf8k>
Cc: "acme@ietf.org" <acme@ietf.org>
Subject: Re: [Acme] Issue: Allow ports other than 443
X-BeenThere: acme@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Automated Certificate Management Environment <acme.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/acme>, <mailto:acme-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/acme/>
List-Post: <mailto:acme@ietf.org>
List-Help: <mailto:acme-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/acme>, <mailto:acme-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 23 Nov 2015 18:23:09 -0000

On 23 November 2015 at 10:09, Douglas Calvert
<dcalvert@securityinnovation.com> wrote:
> How does showing control over port 443 convey more information than showing
> control over port 22, 80, 487, 1023?

Basic information theory:
p(control over 443) < p(control over any port under 1024) < p(control
over arbitrary port)

v2.23.0 | Report a Bug | By Email