From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.toke.dk (mail.toke.dk [52.28.52.200]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 4A3563B2A4; Fri, 20 Sep 2019 05:38:15 -0400 (EDT) From: Toke =?utf-8?Q?H=C3=B8iland-J=C3=B8rgensen?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=toke.dk; s=20161023; t=1568972293; bh=lTkxXpC5YCUqUSUYLWJBp06M/bF6LnXUsgT6ecYwUB8=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=Mqtpm9o0rskfpv5Szdq1y3O3v6xsA9sXBc2DjZo7p8KXI0gmSnpiYsG932dFFqjKl wLHr5eFoa8y7Qhl3SmBTjpOM3OIL5VSvlgvnkH4Ipo2hhzNb8cgtNaCXDxzdpXI5iW 8GaQWILMCcCm2MRmPLACsnzZ3LjBAZ6YvjtHtICaTyJ8m0NvOGJtH9Yyi1DWo7vU+A p9sA12jtLaE8Lb3p8b2pAKLeoYIGXAfUIjJUrt4nY2asFBSKeSgGtm5Ct15taTxopx xRdnmY1VTW2n1PYInVNnGcWvy8YVhov1yuW4xT+KR+B0AWTAKbLoFZ+iFnhWllAOWo efs5iT/W5k0TA== To: Marek Majkowski , Jesper Dangaard Brouer Cc: ecn-sane@lists.bufferbloat.net, bloat@lists.bufferbloat.net In-Reply-To: References: <87o8zgdvka.fsf@toke.dk> <20190920092408.58747a48@carbon> Date: Fri, 20 Sep 2019 11:38:11 +0200 X-Clacks-Overhead: GNU Terry Pratchett Message-ID: <87lfujcnp8.fsf@toke.dk> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Bloat] Issue with negotiating ECN with Cloudflare hosts? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 20 Sep 2019 09:38:15 -0000 Marek Majkowski writes: > We definitely don't do anything fancy about ECN on our side. It must > be some middle-box or intermediate router. Yeah, didn't figure you guys were, at least not on purpose... :) > Could you share your source IP, traceroute, and ideally "traceroute > -S" (tcp/SYN mode). Sure, I'll send you that off-list. -Toke