Re: Non-Last Small IPv6 Fragments

Fernando Gont <fgont@si6networks.com> Sat, 12 January 2019 03:33 UTC

Return-Path: <fgont@si6networks.com>
X-Original-To: ipv6@ietfa.amsl.com
Delivered-To: ipv6@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 12079130F5C for <ipv6@ietfa.amsl.com>; Fri, 11 Jan 2019 19:33:07 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.889
X-Spam-Level:
X-Spam-Status: No, score=-1.889 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, T_SPF_PERMERROR=0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=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 Bbgp9VcjSSVr for <ipv6@ietfa.amsl.com>; Fri, 11 Jan 2019 19:33:05 -0800 (PST)
Received: from fgont.go6lab.si (fgont.go6lab.si [91.239.96.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3B9D9130F09 for <ipv6@ietf.org>; Fri, 11 Jan 2019 19:33:05 -0800 (PST)
Received: from [192.168.3.66] (100-174-16-190.fibertel.com.ar [190.16.174.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by fgont.go6lab.si (Postfix) with ESMTPSA id BC1CE83778; Sat, 12 Jan 2019 04:32:58 +0100 (CET)
Subject: Re: Non-Last Small IPv6 Fragments
To: ek@loon.co, Tom Herbert <tom@herbertland.com>
Cc: David Farmer <farmer@umn.edu>, IPv6 List <ipv6@ietf.org>
References: <CAOSSMjV0Vazum5OKztWhAhJrjLjXc5w5YGxdzHgbzi7YVSk7rg@mail.gmail.com> <7453645f-ff91-e866-b087-e7d4f1450ab6@gmail.com> <0e792b48-4360-6977-9ae8-9cdfdc78c7b8@gmail.com> <16A642DC-D3A4-452C-B7D1-20CA0EEEDDA2@lists.zabbadoz.net> <CAOSSMjWS9po2XuBHJ5hbN9hfNDKZ1diecH08Kt697-15jRtAvg@mail.gmail.com> <0e0c3141-889e-ff60-2787-2889b3a9af6b@si6networks.com> <748DA428-5AB2-4487-A4FB-F2DABF5BF8BE@thehobsons.co.uk> <8b43af81-1c49-5cea-6472-97703674e661@si6networks.com> <CAN-Dau1HwG5RndacpSA+si+zKuTdpSvA=QA1A11A==rMNe=4+w@mail.gmail.com> <CALx6S35KNhV2gFp9OdU+M1zy5WUuEAEvXkDXNDWWxi7uQ4e_cw@mail.gmail.com> <CAN-Dau0rTdiiF2SjByxcMG6nhPCEjUH2pYBCOeK_FSGJ_ucDQw@mail.gmail.com> <CALx6S34AyV9OpvnjQhQc56n5vfeVgU5Zd3kheP0g+XvsMbBV9g@mail.gmail.com> <CAN-Dau1kTNztYhtzQHfRc1U3zE771iKEp_fLo0E6HXFZDHGztQ@mail.gmail.com> <CALx6S37yq+sw3qCbZcAHHW5mB_=j73S95K-erfqiJPrL+ZAVMw@mail.gmail.com> <CAAedzxr8pM1=W-5z6+kvpX-LWD82GHvqmKVT0DVG42V9CK6+hw@mail.gmail.com>
From: Fernando Gont <fgont@si6networks.com>
Openpgp: preference=signencrypt
Autocrypt: addr=fgont@si6networks.com; prefer-encrypt=mutual; keydata= mQINBE5so2gBEACzBQBLUy8nzgAzSZn6ViXT6TmZBFNYNqTpPRvTVtUqF6+tkI+IEd9N2E8p pXUXCd0W4dkxz6o7pagnK63m4QSueggvp881RVVHOF8oTSHOdnGxLfLeLNJFKE1FOutU3vod GK/wG/Fwzkv9MebdXpMlLV8nnJuAt66XGl/lU1JrNfrKO4SoYQi4TsB/waUQcygh7OR/PEO0 EttiU8kZUbZNv58WH+PAj/rdZCrgUSiGXiWUQQKShqKnJxLuAcTcg5YRwL8se/V6ciW0QR9i /sr52gSmLLbW5N3hAoO+nv1V/9SjJAUvzXu43k8sua/XlCXkqU7uLj41CRR72JeUZ4DQsYfP LfNPC98ZGTVxbWbFtLXxpzzDDT8i3uo7w1LJ2Ij/d5ezcARqw01HGljWWxnidUrjbTpxkJ9X EllcsH94mer728j/HKzC9OcTuz6WUBP3Crgl6Q47gY5ZIiF0lsmd9/wxbaq5NiJ+lGuBRZrD v0dQx9KmyI0/pH2AF8cW897/6ypvcyD/1/11CJcN+uAGIrklwJlVpRSbKbFtGC6In592lhu7 wnK8cgyP5cTU+vva9+g6P1wehi4bylXdlKc6mMphbtSA+T3WBNP557+mh3L62l4pGaEGidcZ DLYT2Ud18eAJmxU3HnM8P3iZZgeoK7oqgb53/eg96vkONXNIOwARAQABtCVGZXJuYW5kbyBH b250IDxmZ29udEBzaTZuZXR3b3Jrcy5jb20+iQJBBBMBAgArAhsjBQkSzAMABgsJCAcDAgYV CAIJCgsEFgIDAQIeAQIXgAUCTmylpQIZAQAKCRCuJQ1VHU50kv7wD/9fuNtTfxSLk3B3Hs3p ixTy8YXVjdkVwWlnJjFd7BOWmg7sI+LDhpjGfT6+ddOiwkumnvUZpObodj4ysH0i8c7P4C5t F9yu7WjklSlrB5Rth2CGChg5bKt541z2WHkFFxys9qBLmCSYDeKQkzLqhCjIUJizY2kOJ2GI MnSFDzJjhSFEh//oW830Y8fel1xnf/NVF+lBVtRMtMOfoWUqDjvP3sJ1G4zgkDCnF0CfncLx +hq2Mv26Uq9OTzvLH9aSQQ/f067BOkKAJKsfHdborX4E96ISTz57/4xECRSMr5dVsKVm4Y// uVIsb+L5z+a32FaiBZIAKDgnJO7Z8j6CV5e5yfuBTtX52Yi9HjYYqnYJGSDxYd6igD4bWu+7 xmJPHjkdqZgGV6dQIgiUfqkU+s5Cv350vK48CMaT/ZLo2BdsMhWsmaHmb+waePUMyq6E4E9x 9Js+EJb9ZiCfxS9exgieZQpet1L36IvhiwByvkQM009ywfa30JeMOltUtfLi5V06WQWsTzPL 5C+4cpkguSuAJVDTctjCA0moIeVDOpJ8WH9voQ4IeWapQnX35OIoj1jGJqqYdx65gc1ygbyx b8vw+pJ9E5GLse5TQnYifOWpXzX9053dtbwp/2OVhU4KLlzfCPCEsoTyfu9nIZxdI2PMwiL5 M85BfjX4NmwBLmPGoLkCDQRObKNoARAAqqXCkr250BchRDmi+05F5UQFgylUh10XTAJxBeaQ UNtdxZiZRm6jgomSrqeYtricM9t9K0qb4X2ZXmAMW8o8AYW3RrQHTjcBwMnAKzUIEXXWaLfG cid/ygmvWzIHgMDQKP+MUq1AGQrnvt/MRLvZLyczAV1RTXS58qNaxtaSpc3K/yrDozh/a4pu WcUsVvIkzyx43sqcwamDSBb6U8JFoZizuLXiARLLASgyHrrCedNIZdWSx0z0iHEpZIelA2ih AGLiSMtmtikVEyrJICgO81DkKNCbBbPg+7fi23V6M24+3syHk3IdQibTtBMxinIPyLFF0byJ aGm0fmjefhnmVJyCIl/FDkCHprVhTme57G2/WdoGnUvnT7mcwDRb8XY5nNRkOJsqqLPemKjz kx8mXdQbunXtX9bKyVgd1gIl+LLsxbdzRCch773UBVoortPdK3kMyLtZ4uMeDX3comjx+6VL bztUdJ1Zc9/njwVG8fgmQ+0Kj5+bzQfUY+MmX0HTXIx3B4R1I1a8QoOwi1N+iZNdewV5Zfq+ 29NlQLnVPjCRCKbaz9k6RJ2oIti55YUI6zSsL3lmlOXsRbXN5bRswFczkNSCJxJMlDiyAUIC WOay7ymzvgzPa+BY/mYn94vRaurDQ4/ljOfj6oqgfjts+dJev4Jj89vp8MQI3KJpZPEAEQEA AYkCJQQYAQIADwUCTmyjaAIbDAUJEswDAAAKCRCuJQ1VHU50km4xEACho45PZrUjY4Zl2opR DFNo5a6roTOPpgwO9PcBb3I5F8yX2Dnew+9OhgWXbBhAFq4DCx+9Gjs43Bn60qbZTDbLGJ/m 8N4PwEiq0e5MKceYcbetEdEUWhm5L6psU9ZZ82GR3UGxPXYe+oifEoJjOXQ39avf9S8p3yKP Diil0E79rn7LbJjMcgMLyjFg9SDoJ6pHLtniJoDhEAaSSgeV7Y745+gyMIdtQmrFHfqrFdjq D6G0HE+Z68ywc5KN67YxhvhBmSycs1ZSKAXv1zLDlXdmjHDHkU3xMcB+RkuiTba8yRFYwb/n j62CC4NhFTuIKOc4ta3dJsyXTGh/hO9UjWUnmAGfd0fnzTBZF8Qlnw/8ftx5lt4/O+eqY1EN RITScnPzXE/wMOlTtdkddQ+QN6xt6jyR2XtAIi7aAFHypIqA3lLI9hF9x+lj4UQ2yA9LqpoX 6URpPOd13JhAyDe47cwsP1u9Y+OBvQTVLSvw7Liu2b4KjqL4lx++VdBi7dXsjJ6kjIRjI6Lb WVpxe8LumMCuVDepTafBZ49gr7Fgc4F9ZSCo6ChgQNLn6WDzIkqFX+42KuHz90AHWhuW+KZR 1aJylERWeTcMCGUSBptd48KniWmD6kPKpzwoMkJtEXTuO2lVuborxzwuqOTNuYg9lWDl7zKt wPI9brGzquUHy4qRrA==
Message-ID: <dbc0e2ab-33fb-75b0-0e2c-b947d8b10031@si6networks.com>
Date: Sat, 12 Jan 2019 00:32:36 -0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1
MIME-Version: 1.0
In-Reply-To: <CAAedzxr8pM1=W-5z6+kvpX-LWD82GHvqmKVT0DVG42V9CK6+hw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Archived-At: <https://mailarchive.ietf.org/arch/msg/ipv6/IAqmaN8QJZGz51V5D-lleeLNoG4>
X-BeenThere: ipv6@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "IPv6 Maintenance Working Group \(6man\)" <ipv6.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/ipv6>, <mailto:ipv6-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/ipv6/>
List-Post: <mailto:ipv6@ietf.org>
List-Help: <mailto:ipv6-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ipv6>, <mailto:ipv6-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 12 Jan 2019 03:33:10 -0000

On 11/1/19 22:02, Erik Kline wrote:
> If concrete guidance is to be given I think it would be good to see if
> it could be based on some research into what's actually effective at
> mitigating various attacks/scenarios.
> 
> Is anyone aware of presentations or papers about work in this area?


See Section 4.1.1.1., 4.1.2. of RFC6274. If anything, just s/68/1280/,
and it applies to IPv6 as well.

Thanks,
-- 
Fernando Gont
SI6 Networks
e-mail: fgont@si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492