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=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 4885DC433E6 for ; Fri, 28 Aug 2020 23:14:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EBEA20936 for ; Fri, 28 Aug 2020 23:14:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726930AbgH1XOC (ORCPT ); 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.