Return-Path: X-Original-To: snac@mail2.ietf.org Delivered-To: snac@mail2.ietf.org Received: from localhost (localhost [127.0.0.1]) by mail2.ietf.org (Postfix) with ESMTP id 22A258E468B4 for ; Fri, 21 Nov 2025 12:58:15 -0800 (PST) X-Virus-Scanned: amavisd-new at ietf.org X-Spam-Flag: NO X-Spam-Score: -4.4 X-Spam-Level: X-Spam-Status: No, score=-4.4 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, RCVD_IN_DNSWL_MED=-2.3, 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=sandelman.ca 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 JXJueKEk8RLj for ; Fri, 21 Nov 2025 12:58:14 -0800 (PST) Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256)) (No client certificate requested) by mail2.ietf.org (Postfix) with ESMTPS id 16B088E468A6 for ; Fri, 21 Nov 2025 12:58:14 -0800 (PST) Received: from localhost (localhost [127.0.0.1]) by tuna.sandelman.ca (Postfix) with ESMTP id B219C18014; Fri, 21 Nov 2025 15:58:13 -0500 (EST) Received: from tuna.sandelman.ca ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavis, port 10024) with LMTP id AyounK5ffgVi; Fri, 21 Nov 2025 15:58:12 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sandelman.ca; s=mail; t=1763758692; bh=hsv0mxFLReQ2u7w/VFdXjthSoIdecwUAkIGd1giEoNk=; h=From:To:Subject:In-Reply-To:References:Date:From; b=LKKTXbCGK6zO9FOnvrkW9n7bM2Zy/3PEXZXYhcIvrMejrd+Z4JFaim9h1cBTTLki7 w56UGFGt3tlsbYIuQpditlGUSP+bp7M0hSQbVSNWnAfh+9vRQKU5X4VKFA8DTcLNPW TUcCpv8Oa3DuCW1klt9rID6QWX4ZvFmgd+zVCzrxsFwVxw/9Fg47Afnv7sfvVt1mGi LPyn4UBqAPWF4CLVO2OP753yNH3xVEHsH4MC4AxPvnOonEkCxYYvgFNe5sU2D33/WG UCsrcb5O+KzN+DjI7L2V7tvfm5qx8+D+V/VAp9TqXUNUjjmc1FVjpkAmZr/Z9hHetM jwIV/Sh4xDxbg== Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id 3D40318012; Fri, 21 Nov 2025 15:58:12 -0500 (EST) Received: from obiwan.sandelman.ca (obiwan.sandelman.ca [127.0.0.1]) by sandelman.ca (Postfix) with ESMTP id 388F21B8; Fri, 21 Nov 2025 15:58:12 -0500 (EST) From: Michael Richardson To: Ted Lemon , Esko Dijk , snac@ietf.org In-Reply-To: <8F59C774-ACC7-48A8-AE5B-768EE1A5DFC2@fugue.com> References: <13441f45-57bf-48ea-9814-4d65214113a7@iotconsultancy.nl> <19398.1763653578@obiwan.sandelman.ca> <15765.1763679273@obiwan.sandelman.ca> <5fbfe856-182d-4eaa-8dac-2fbe271ceb2e@iotconsultancy.nl> <838A5057-520F-4525-BA78-1BC48910F299@fugue.com> <21046.1763753344@obiwan.sandelman.ca> <8F59C774-ACC7-48A8-AE5B-768EE1A5DFC2@fugue.com> X-Mailer: MH-E 8.6+git; nmh 1.8+dev; GNU Emacs 28.2 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0;<'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Message-ID-Hash: XHQ6KPHIM4RIKNLG4VTRP5AJN2JTVKIU X-Message-ID-Hash: XHQ6KPHIM4RIKNLG4VTRP5AJN2JTVKIU X-MailFrom: mcr+ietf@sandelman.ca X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9rc6 Precedence: list Subject: =?utf-8?q?=5BSnac=5D_Re=3A_Why_is_an_AIL_prefix_with_only_the_=22P=22_flag_s?= =?utf-8?q?et_suitable=3F?= List-Id: "Mailing list for discussing problems relating to the automatic connection of stub networks to existing infrastructure networks. " Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Ted Lemon wrote: >> Agreed: This might have been done by an incompetent ISP. >> So in this case, we need enough text for an end-user to hit them ove= r the head. > I don't think we can require that the ISP not disable SLAAC, but > realistically if they do they are going to get a lot of phone > calls. Well, assuming the end user cares about IPv6. The situation we should be anticipating is a finger-pointing among a SNAP Router manufacturer, a small-office operator and the ISP. We just need clear enough text that tells the ISP that they are being an idiot. Or for the ISP/SNAP Router to say that the small-office "security" consultant is being an idiot :-) =2D- Michael Richardson . o O ( IPv6 I=C3=B8T consulti= ng ) Sandelman Software Works Inc, Ottawa and Worldwide --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEbsyLEzg/qUTA43uogItw+93Q3WUFAmkg0mQACgkQgItw+93Q 3WXoaAf+J3eZySytAImju030958CocKxP+qTXosmjrDUA/KtK7eHEKl0ciLnwThY BNmHxWzv7Jkrsa/HSZctMV8/4qnAHmxqZt1urf+OGUR3WU8lsiNl2Zd2QsOA4H4R T34xNLRZoWJYvwXdFDbTW0jw4pqIQyVyA4Elp2O828/uvJVAJrXjErleYQMngKjD sYpZaTpBJ1NMpA/1j1+E3KIYCkYo46oczX36natgljEi40KlVvfIzb++UncKF7pd 0A5sSjuygsJlpS42xYiWQREV2IcAZp1TeJbZ3GpT0LLi7zld0rxtKAFOkvjupF4k pHpV04xqem+KbrURbU/OQwuuT/lXzA== =vUQn -----END PGP SIGNATURE----- --=-=-=--