Received: by 2002:a05:6a10:6006:0:0:0:0 with SMTP id w6csp1548133pxa; Fri, 28 Aug 2020 16:15:13 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxnqXr9cnXoiJhvZMq/A4RsMuOHHlIwBxSjSMgJ7SlEVnITJqX0nrn2Jb9G8pdwTDkYsv1h X-Received: by 2002:a17:906:2b97:: with SMTP id m23mr1118342ejg.61.1598656512820; Fri, 28 Aug 2020 16:15:12 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1598656512; cv=none; d=google.com; s=arc-20160816; b=aPQuRpGXyTVnvJAHHj2Dy9BpeGEm3efcEBpgSRvor4uv3Hl8UGThM7mnAFwH56da9a zW69hVJP6KELidccNGo3NLE2vnfeP7GXkIu4ZR0gKijMp8gtb7S5Jky0e3RlgoMnA3is rsaDjsnV9D8XEUspgVEYwgArHnydY6pe37cll5uB6b5RpQfx3GOFrXrBviaW3pVpMHQi +9ldz1x+oK6FaPsjVrYstYqVklFIA4ZRJwtUcTHozhsVzTpgoQanPiEqnXZ6J1fIA3gp 9FN+uWJAVyCNWTpJhj5HRB6911o3ACGJXSTXE7NcwBBvlin4XQ48wfLfgicg8Nf8h7Cw /43g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=z9GgNLMLrHsHlwMsKQcY7FJaR2vYIzDnWmctIgHSmc0=; b=YEwOQW7uHjG2Yls7RwlPCQir3DXV2C/9DuSh1fclDAfAjlN3/cDboYJ9us3LTjB5Gv YFA7ZuNJ6xChZF0ka+FCSCsLeqkAOmgv2BtjiP0/LxQnXkSyYEpYG+bejRjY2r2ALaUm +J0fAtvDkYjLfO8ChWsSx/KlZZeD9YgnmBZs2xpT5MSjl24xi9BFkD+S8uAPcWfhgaA1 j+XDEMf7z7naThD4WVfzQ7rehzo7gzALULnjQpavtxAb5xxKRp8v1BS6VHUOGhSZ28dj zKV42/xhaj4cddd0SrmOpr5ylkpmhsZoRpI4+mq1FpJOj6LVt9Umz8+1mYTItlmntWgm oZTA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d12si465755edo.218.2020.08.28.16.14.49; Fri, 28 Aug 2020 16:15:12 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726912AbgH1XOC (ORCPT + 99 others); Fri, 28 Aug 2020 19:14:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52756 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726536AbgH1XOB (ORCPT ); Fri, 28 Aug 2020 19:14:01 -0400 Received: from shards.monkeyblade.net (shards.monkeyblade.net [IPv6:2620:137:e000::1:9]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB1C5C061264; Fri, 28 Aug 2020 16:14:01 -0700 (PDT) Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 91F6D11E44284; Fri, 28 Aug 2020 15:57:14 -0700 (PDT) Date: Fri, 28 Aug 2020 16:14:00 -0700 (PDT) Message-Id: <20200828.161400.1745757163764326397.davem@davemloft.net> To: stephen@networkplumber.org Cc: avi@bartavi.nl, linux-kernel@vger.kernel.org, kuba@kernel.org, corbet@lwn.net, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH v3] net: Use standardized (IANA) local port range From: David Miller In-Reply-To: <20200828145203.65395ad8@hermes.lan> References: <20200828203959.32010-1-avi@bartavi.nl> <20200828204447.32838-1-avi@bartavi.nl> <20200828145203.65395ad8@hermes.lan> X-Mailer: Mew version 6.8 on Emacs 26.3 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 28 Aug 2020 15:57:14 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stephen Hemminger Date: Fri, 28 Aug 2020 14:52:03 -0700 > Changing the default range impacts existing users. Since Linux has been doing > this for so long, I don't think just because a standards body decided to reserve > some space is sufficient justification to do this. Agreed, there is no way we can change this after decades of precedence. We will definitely break things for people.