Return-Path: <d3e3e3@gmail.com>
X-Original-To: secdir@mail2.ietf.org
Delivered-To: secdir@mail2.ietf.org
Received: from localhost (localhost [127.0.0.1])
	by mail2.ietf.org (Postfix) with ESMTP id 20702559D6C9;
	Mon, 18 Aug 2025 13:56:25 -0700 (PDT)
X-Virus-Scanned: amavisd-new at ietf.org
X-Spam-Flag: NO
X-Spam-Score: -1.849
X-Spam-Level: 
X-Spam-Status: No, score=-1.849 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_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,
	RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001]
	autolearn=ham autolearn_force=no
Authentication-Results: mail2.ietf.org (amavisd-new); dkim=pass (2048-bit key)
	header.d=gmail.com
Received: from mail2.ietf.org ([166.84.6.31])
	by localhost (mail2.ietf.org [127.0.0.1]) (amavisd-new, port 10024)
	with ESMTP id E4vi2Vmu5PKF; Mon, 18 Aug 2025 13:56:24 -0700 (PDT)
Received: from mail-qk1-x734.google.com (mail-qk1-x734.google.com
 [IPv6:2607:f8b0:4864:20::734])
	(using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)
	 key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256)
	(No client certificate requested)
	by mail2.ietf.org (Postfix) with ESMTPS id CA2FE559D6C4;
	Mon, 18 Aug 2025 13:56:24 -0700 (PDT)
Received: by mail-qk1-x734.google.com with SMTP id
 af79cd13be357-7e864c4615aso567267985a.1;
        Mon, 18 Aug 2025 13:56:24 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20230601; t=1755550584; x=1756155384; darn=ietf.org;
        h=content-transfer-encoding:cc:to:subject:message-id:date:from
         :in-reply-to:references:mime-version:from:to:cc:subject:date
         :message-id:reply-to;
        bh=0G07pogDod5co031f777Ql62qU0Pk5DCiT9t3HChw1E=;
        b=ZU9uD6IC1Qut90PWVJoYypq6f75fGqtILk3zp/87ep54LJWVwHHx49jn4IUDTzLqfk
         Ci3ch++PuKzSqA4wCyUeOiHKLjppv42nd9S/N6IGC/ZdW+91L6Qleeib+SfHTMU24kJo
         gZAzwpEek5jmYi6ruMkXD00hjOPtLsep0Sj27lXriaih0PuYn70w3fOgQnTwBNmTg9em
         vxfayRrkosItaM0LfF6gqCs8AGgcerYbRJ6JiFbyc+ORXKzAkzqkq+7EuPToxBOWVL9R
         IiboFfBZtfFrvCuDNjwr5mEZGdujc7FYTAJDj2vcXCNXAawVgnGVG/UhbnSot/OzDpdk
         YBow==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20230601; t=1755550584; x=1756155384;
        h=content-transfer-encoding:cc:to:subject:message-id:date:from
         :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc
         :subject:date:message-id:reply-to;
        bh=0G07pogDod5co031f777Ql62qU0Pk5DCiT9t3HChw1E=;
        b=U2Oq7nvuzopiUpnCU2+fKJ1z4nynrFD3IIXSVUrwPwW+rOV4VtIeLZhw4Hhj+G1hNM
         o/Mei/zJ0wD5kNP+HMqxAWQBg1Ojr6NHbKaSCAZXpudOcS/qPRm/eaPt78GZsTIuwXzp
         Nwm17l64K6I0QxxrFa5XOcEh6Y+F02QVzl3UolWXPZSy0v62U0sbYITQsf4ReIprQ3c6
         dO/e0vb4c7JTsNGB6OfMerQoPl2mpKM2UpVfos8S28qeLFAld48Y1VUde6u31rx0jy7A
         OLXZbzYa9da2RK+F1h9nBTLRaB85LqS3E4fixKfZthUMYAekh4cmOanDdBcwbafvsYnv
         2K0A==
X-Forwarded-Encrypted: i=1;
 AJvYcCWF7pVTKpUEm1ZIphtWPwaVDI877OcWFlBUF9Uqp4EwOCNDn8TxSO1SQepBUGveD445SjJqyES0IBfLqxJBzD6s70q5MR9kojzXDWjDX9rulSs=@ietf.org,
 AJvYcCXWb/0gj5x50oyLhbnmpAQ5iCnV6KC/Fqe1mJp1KjdCn4Jyf984TicHcqEB9hnnxi5WzLGgQEnx@ietf.org
X-Gm-Message-State: AOJu0Yx9CJERYyrlgCqUr4PA1yFWPbal6TCQwuQ8Vw+pk8CC/yWNguhm
	eQBHT/Hb5P0RffGJZC0cch/FXCYaS8LOvAJUtSxyJUrtsldZW6RyZ5KKs/dJQnfxlPajTuo+AfN
	vLzbszXOmfZ4/vMmE/+aFnsJIAq1GyxYzgA==
X-Gm-Gg: ASbGnctDC1TpWxxNK4cFBYV8aZQu+ZwzTWMh8JIqZHQ8sLDmrtVXs4rC6e8xI7QVk0B
	UI1Bi56UXQ9fR1M5TmdPmwRiHBcJOHUKj6jK3EsfOx+Xd8qVlPp19I7Y46OhEW0t7CQWO7zvQMt
	t3nty5lBy8ik51V00JllCLbdOLANDSVHnPRi3Ii0Nsu9pRI6M8N/Sc1HEI+GdGaapJCnTRJa52q
	S9sDA==
X-Google-Smtp-Source: 
 AGHT+IGXtZ+NT9ziwDJ3wXgtPCIiphfXrxpZUg15bmS9MuAkTF1gHvPM+cBOgP+n750yc1g8lckM/UYWfWATjBx89dA=
X-Received: by 2002:a05:620a:472a:b0:7e6:911e:89cb with SMTP id
 af79cd13be357-7e9f22db834mr161261685a.28.1755550584152; Mon, 18 Aug 2025
 13:56:24 -0700 (PDT)
MIME-Version: 1.0
References: 
 <CAF4+nEHKZuaX9oCjbXusep4uUd=weaJXTFpfXcog-A4h04ETXA@mail.gmail.com>
 <2FC6578F-B536-451E-950B-787B359F82CD@deployingradius.com>
In-Reply-To: <2FC6578F-B536-451E-950B-787B359F82CD@deployingradius.com>
From: Donald Eastlake <d3e3e3@gmail.com>
Date: Mon, 18 Aug 2025 16:56:13 -0400
X-Gm-Features: Ac12FXyf1xLYsI1gC5wJAHu7QWezkq-i6hS2Hlp1w1bkl-38y2yW4DBucJKZUkA
Message-ID: 
 <CAF4+nEEpBB+AVAEnRkAtm63T-JwTezUNfrxf7mVzyweGg9PepA@mail.gmail.com>
To: Alan DeKok <aland@deployingradius.com>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
Message-ID-Hash: 2YKLWCXY3YURCKYRUPQJHQTCV2FBHRLM
X-Message-ID-Hash: 2YKLWCXY3YURCKYRUPQJHQTCV2FBHRLM
X-MailFrom: d3e3e3@gmail.com
X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency;
 loop; banned-address; member-moderation; header-match-secdir.ietf.org-0;
 nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size;
 news-moderation; no-subject; digests; suspicious-header
CC: "iesg@ietf.org" <iesg@ietf.org>, secdir <secdir@ietf.org>,
 draft-ietf-radext-reverse-coa.all@ietf.org
X-Mailman-Version: 3.3.9rc6
Precedence: list
Subject: =?utf-8?q?=5Bsecdir=5D_Re=3A_SECDIR_review_of_draft-ietf-radext-reverse-coa?=
List-Id: Security Area Directorate <secdir.ietf.org>
Archived-At: 
 <https://mailarchive.ietf.org/arch/msg/secdir/7jRJeDhfSDNCxflruk87W5I0MoQ>
List-Archive: <https://mailarchive.ietf.org/arch/browse/secdir>
List-Help: <mailto:secdir-request@ietf.org?subject=help>
List-Owner: <mailto:secdir-owner@ietf.org>
List-Post: <mailto:secdir@ietf.org>
List-Subscribe: <mailto:secdir-join@ietf.org>
List-Unsubscribe: <mailto:secdir-leave@ietf.org>

Hi Alan,

I am satisfied with your changes and consider my comments resolved.

Thanks,
Donald
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D
 Donald E. Eastlake 3rd   +1-508-333-2270 (cell)
 2386 Panoramic Circle, Apopka, FL 32703 USA
 d3e3e3@gmail.com

On Sun, Aug 17, 2025 at 5:38=E2=80=AFPM Alan DeKok <aland@deployingradius.c=
om> wrote:
>
> On Aug 6, 2025, at 6:13=E2=80=AFPM, Donald Eastlake <d3e3e3@gmail.com> wr=
ote:
> > Security
> > --------
> >
> > The Security Considerations Section 8 just says (in different words)
> > that the document improves security by standardizing reverse paths for
> > CoA-Request and Disconnect-Request packets. I would add a little bit
> > about why, if there is a need to disconnect or change authentication,
> > it can be a security problem if you cannot do that.
>
>   Done.
>
> > Also, Section 4
> > just says that in various cases of misconfiguration CoA (which is
> > defined to also include Disconnect in this document) packets will not
> > flow and says this causes no further issues. I suggest "there will be
> > no other issues with this misconfiguration" -> "which may reduce
> > security (see Section 8)".
>
>    Done.
>
> > Nits / trivial issues
> > ---------------------
> >
> > Section 1, 2nd and 3rd paragraphs: Perhaps these should be merged or
> > something as on initial reading it was not clear to me that the
> > "Section 3.4" in the 3rd paragraph was that section in RFC 6614 which
> > is referenced in the 2nd paragraph.
>
>   I've reworded the introduction to make it clearer.
>
> > Section 1, 3rd paragraph: Should "which types of packets are supported
> > on a server" be "which types of packets it supports"?
>
>   That's a quote from another specification, so I'll leave it alone, and =
make it clearer that it's a quote.
>
> > Section 3: "a configuration and signalling," -> "a configuration and
> > signalling method,"
>
>   Done.
>
> > Section 3 says there are two additions. These are then discussed in
> > Section 4 and 5 but there is no tie between those sections and Section
> > 3. Suggest adding at the end of Section 3: "These additions are
> > discussed in Sections 4 and 5 respectively."
>
>   Done.
>
> > Section 5.1, 2nd paragraph: "have the choice more than one" -> "have a
> > choice of more than one"
>
>   Fixed.
>
> > Section 5.2, 2nd paragraph: the server's connection choice is not
> > unconstrained. "chooses one connection" -> "chooses one of these
> > connections"
>
>   Fixed.
>
> > Section 6.3, I didn't review Section 6 very closely but it seems odd
> > that in Section 6.3 there is a raw direct reference rather than
> > indirecting through the Informational References section. But, since
> > Section 6 is going away, it does not matter much.
>
>   OK.

