From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63E7BC47254 for ; Fri, 1 May 2020 03:54:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3EBF52071C for ; Fri, 1 May 2020 03:54:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728211AbgEADy3 (ORCPT ); Thu, 30 Apr 2020 23:54:29 -0400 Received: from fgont.go6lab.si ([91.239.96.14]:53282 "EHLO fgont.go6lab.si" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727889AbgEADy3 (ORCPT ); Thu, 30 Apr 2020 23:54:29 -0400 Received: from [192.168.0.10] (unknown [181.45.84.85]) (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 93E5081B60; Fri, 1 May 2020 05:54:26 +0200 (CEST) Subject: Re: [PATCH v2 net-next] ipv6: Implement draft-ietf-6man-rfc4941bis To: David Miller Cc: netdev@vger.kernel.org References: <20200426154140.GA1065@archlinux-current.localdomain> <20200430.202334.573859461451348083.davem@davemloft.net> From: Fernando Gont Message-ID: <1748ebf6-e058-d124-58ea-acde0ebc5d45@si6networks.com> Date: Fri, 1 May 2020 00:54:09 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 In-Reply-To: <20200430.202334.573859461451348083.davem@davemloft.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 1/5/20 00:23, David Miller wrote: > From: Fernando Gont > Date: Sun, 26 Apr 2020 12:41:40 -0300 > >> Implement the upcoming rev of RFC4941 (IPv6 temporary addresses): >> https://tools.ietf.org/html/draft-ietf-6man-rfc4941bis-09 >> >> * Reduces the default Valid Lifetime to 2 days >> The number of extra addresses employed when Valid Lifetime was >> 7 days exacerbated the stress caused on network >> elements/devices. Additionally, the motivation for temporary >> addresses is indeed privacy and reduced exposure. With a >> default Valid Lifetime of 7 days, an address that becomes >> revealed by active communication is reachable and exposed for >> one whole week. The only use case for a Valid Lifetime of 7 >> days could be some application that is expecting to have long >> lived connections. But if you want to have a long lived >> connections, you shouldn't be using a temporary address in the >> first place. Additionally, in the era of mobile devices, general >> applications should nevertheless be prepared and robust to >> address changes (e.g. nodes swap wifi <-> 4G, etc.) >> >> * Employs different IIDs for different prefixes >> To avoid network activity correlation among addresses configured >> for different prefixes >> >> * Uses a simpler algorithm for IID generation >> No need to store "history" anywhere >> >> Signed-off-by: Fernando Gont > > Please respin this patch as it no longer applies cleanly. It should > be easy, it's just because of the ReST conversion of ip-sysctl.txt Just did, as [PATCH v3 net-next]. No code changes. Just rebased the patch on origin/master. Thanks, -- Fernando Gont SI6 Networks e-mail: fgont@si6networks.com PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492