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=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 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 92ADFC4167B for ; Thu, 3 Dec 2020 23:55:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4AAC522285 for ; Thu, 3 Dec 2020 23:55:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730285AbgLCXzD (ORCPT ); Thu, 3 Dec 2020 18:55:03 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727303AbgLCXzD (ORCPT ); Thu, 3 Dec 2020 18:55:03 -0500 Received: from Chamillionaire.breakpoint.cc (Chamillionaire.breakpoint.cc [IPv6:2a0a:51c0:0:12e:520::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FED4C061A4F; Thu, 3 Dec 2020 15:54:23 -0800 (PST) Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1kkyQR-00085F-6R; Fri, 04 Dec 2020 00:54:15 +0100 Date: Fri, 4 Dec 2020 00:54:15 +0100 From: Florian Westphal To: Paul Moore Cc: Mat Martineau , Stephen Smalley , selinux@vger.kernel.org, mptcp@lists.01.org, linux-security-module@vger.kernel.org Subject: Re: [MPTCP] Re: [RFC PATCH] selinux: handle MPTCP consistently with TCP Message-ID: <20201203235415.GD5710@breakpoint.cc> References: <3336b397dda1d15ee9fb87107f9cc21a5d1fe510.1606904940.git.pabeni@redhat.com> <3a5f156da4569957b91bb5aa4d2a316b729a2c69.camel@redhat.com> <539f376-62c2-dbe7-fbfd-6dc7a53eafa@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: Paul Moore wrote: > I'm not very well versed in MPTCP, but this *seems* okay to me, minus > the else-crud chunk. Just to confirm my understanding, while MPTCP > allows one TCP connection/stream to be subdivided and distributed > across multiple interfaces, it does not allow multiple TCP streams to > be multiplexed on a single connection, yes? Its the latter. The application sees a TCP interface (socket), but data may be carried over multiple individual tcp streams on the wire.