IETF Logo Mail Archive

Re: [radext] draft-dekok-radext-reverse-coa-00

Alan DeKok <aland@deployingradius.com> Mon, 02 January 2023 19:06 UTC

Return-Path: <aland@deployingradius.com>
X-Original-To: radext@ietfa.amsl.com
Delivered-To: radext@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id D50F1C1524A3 for <radext@ietfa.amsl.com>; Mon, 2 Jan 2023 11:06:17 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.896
X-Spam-Level:
X-Spam-Status: No, score=-1.896 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_ZEN_BLOCKED_OPENDNS=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001, URIBL_DBL_BLOCKED_OPENDNS=0.001, URIBL_ZEN_BLOCKED_OPENDNS=0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id wJl_qp2hp-Zi for <radext@ietfa.amsl.com>; Mon, 2 Jan 2023 11:06:13 -0800 (PST)
Received: from mail.networkradius.com (mail.networkradius.com [62.210.147.122]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id D9BDAC1522B6 for <radext@ietf.org>; Mon, 2 Jan 2023 11:06:12 -0800 (PST)
Received: from smtpclient.apple (135-23-95-173.cpe.pppoe.ca [135.23.95.173]) by mail.networkradius.com (Postfix) with ESMTPSA id 90ED11D4; Mon, 2 Jan 2023 19:06:10 +0000 (UTC)
Authentication-Results: NetworkRADIUS; dmarc=none (p=none dis=none) header.from=deployingradius.com
Content-Type: text/plain; charset="us-ascii"
Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3696.120.41.1.1\))
From: Alan DeKok <aland@deployingradius.com>
In-Reply-To: <aa1b0512-9330-4ff3-a405-bce3c107d424@app.fastmail.com>
Date: Mon, 02 Jan 2023 14:06:09 -0500
Cc: radext@ietf.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <2C83548B-963B-48D7-90D9-61598769DA25@deployingradius.com>
References: <166629465625.34785.2651702131105040@ietfa.amsl.com> <BC1CF7DC-A028-4D37-BA22-81D2AF5081B2@deployingradius.com> <aa1b0512-9330-4ff3-a405-bce3c107d424@app.fastmail.com>
To: Alexander Clouter <alex+ietf@coremem.com>
X-Mailer: Apple Mail (2.3696.120.41.1.1)
Archived-At: <https://mailarchive.ietf.org/arch/msg/radext/aNnhe924CDmSsC_QzsiO0VJTlTg>
Subject: Re: [radext] draft-dekok-radext-reverse-coa-00
X-BeenThere: radext@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: RADIUS EXTensions working group discussion list <radext.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/radext>, <mailto:radext-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/radext/>
List-Post: <mailto:radext@ietf.org>
List-Help: <mailto:radext-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/radext>, <mailto:radext-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 Jan 2023 19:06:17 -0000

On Jan 1, 2023, at 7:48 AM, Alexander Clouter <alex+ietf@coremem.com> wrote:
>>   When the server recieves a TLS connection from a client, it derives a
>>   key for that connection, and associates the connection with that key.
> 
> "'i' before the 'e' unless it is after a 'c' (and other exceptions)"
> 
> There is another occurrence later in this section too.

  Fixed.

> 'determne' -> 'determine'.

  Fixed.

> We do open a potential security issue here as a bad actor could advertise realms they do not own to steer traffic to them.
> 
> So for something like 'eduroam', no doubt there are attribute/sanity filters that prevent bob.ac.uk advertising bob.nl but the RADIUS server may process the Operator-Name's from the Server-Status before those filters kick in.

  Yes.

  I think the simplest thing is to just remove any discussion of dynamic realm add / delete from the document.  Any issues of a dynamic realm routing protocol belong elsewhere.

  Alan DeKok.

v2.23.0 | Report a Bug | By Email