From owner-freebsd-transport@freebsd.org Thu Dec 5 20:31:42 2019 Return-Path: Delivered-To: freebsd-transport@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 330421AB3EF for ; Thu, 5 Dec 2019 20:31:42 +0000 (UTC) (envelope-from jgh@wizmail.org) Received: from wizmail.org (wizmail.org [IPv6:2a00:1940:107::2:0:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "smtp.wizmail.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47TS713vbCz4cKK for ; Thu, 5 Dec 2019 20:31:41 +0000 (UTC) (envelope-from jgh@wizmail.org) ARC-Seal: i=1; cv=none; a=rsa-sha256; d=wizmail.org; s=r201803; t=1575577901; b=yPDiyBEZM6lax5ONmtxGCMn+JjrT3cKsJhJ24a223prrHi8EgjzM78NQ8OatbtTwzS+l3hi3dt HjLRoPzJDl8jlSEQNH+47+LvcfbDDxYCjVW4pfPeSyTBEaA8MWGe5btoNlsB+bE75QcKuaMv13 hniC4ScYqPRNyr1acr8Fa4U=; ARC-Authentication-Results: i=1; wizmail.org; 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bh=EkKlM5PkuXPVmdSBQ279RNLYobEFELmUHFtm7YUCHG8=; b=t 6hvhTnZk8iPv2bXl0dLISsAZg8sj8GNUTeGzcY4BtAqxIvTSE0whikOfELqU0RPCItCIwsSd/wDyy eA6wd6bWkx42r2J9oT47j2oyZAUC0JsEyQ5REll3PJ7e7J8DtaKO6BgLgQzaWR6YOtI0a2ktkkr8I 0kIwIs866rDsZw0s=; Received: from vgate18.wizint.net ([2a00:1940:107::1:2f:0] helo=lap.dom.ain) by wizmail.org (Exim 4.92.134) (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 with esmtpsa id 1icxmm-0004cI-3p for freebsd-transport@freebsd.org (return-path ); Thu, 05 Dec 2019 20:31:40 +0000 Subject: Re: TCP Fast Open To: freebsd-transport@freebsd.org References: <5276cc23-d37f-e55e-11c5-030314e9e32c@wizmail.org> <1206B1BE-3B7E-45D0-8C2B-6012A5CB6298@freebsd.org> <2752006b-cd6b-7b8b-d23b-ae2c794dc104@wizmail.org> <46A739DC-CCF5-4EA1-802A-0D8E559AC187@freebsd.org> From: Jeremy Harris Autocrypt: addr=jgh@wizmail.org; prefer-encrypt=mutual; keydata= mQENBFWABsQBCADTFfb9EHGGiDel/iFzU0ag1RuoHfL/09z1y7iQlLynOAQTRRNwCWezmqpD p6zDFOf1Ldp0EdEQtUXva5g2lm3o56o+mnXrEQr11uZIcsfGIck7yV/y/17I7ApgXMPg/mcj ifOTM9C7+Ptghf3jUhj4ErYMFQLelBGEZZifnnAoHLOEAH70DENCI08PfYRRG6lZDB09nPW7 vVG8RbRUWjQyxQUWwXuq4gQohSFDqF4NE8zDHE/DgPJ/yFy+wFr2ab90DsE7vOYb42y95keK tTBp98/Y7/2xbzi8EYrXC+291dwZELMHnYLF5sO/fDcrDdwrde2cbZ+wtpJwtSYPNvVxABEB AAG0JkplcmVteSBIYXJyaXMgKG5vbmUpIDxqZ2hAd2l6bWFpbC5vcmc+iQE7BBMBAgAlAhsD BgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAUCVYAYBAIZAQAKCRC85YyM5B8y34iFB/9wozIY RogNdY1aejFFixb6++y4b1riyjMvWEULeEzDlQ0lMT6Z3PxXhZILD4y4aP7Kzx0ozXa5qaKy 41EAPKQoPipnRAH04QytJbIERvz8Tot/LeCVKUc0G9DVxOPBD03czTgqgz4EjV2qvnLF+rTU 0YBevrNCluKosGSd+3RvLWVu0hBhn9pELKfXJNSQXZb+TpHDhSDZ/gCrglBEOhA6YWbDb/4g z+5TFKdk+B++iAQZSHv7zISabjN+BPYgI47A+MU4JycoXaAUnMc0l5ba6fGNaIrzruE4aAZr lP5o+7mlU9Mm0QJqdqYxYPAiplJGrZv+YXH1fp5ueEK3l+NGuQENBFWABsQBCADphLHaKToR uR/E7THerBiCjDatwCaETOKOTY2zRBQpaQ32p/F2XIGLS8Cc27+grZSKQ6ZX0ZN47O+AFyFH F8DH90IXZFpJR3Rb8zgXT8jnLX08DM31eECZHnRzFhGlOmq6WAUlqB3GKCPUCY2c4eTRXyoX LteTxrXCYoj45y/YmvlZrlonBNjPBAyHiO/LNz+V7fZtNsN7N/XGrnLbcdNfNd+SD1ENmbLJ 8RvyymxguTyB/ka9JdjHHIoQEJ6L166B3hhfCHpt8iC0GPZkti9IMl0NoJ029jJm3Jq1qEce EBn5H5QMGn6Fq64iXwTsO1TMNUwpWx8pjvV7wVIxjI8ZABEBAAGJAR8EGAECAAkFAlWABsQC GwwACgkQvOWMjOQfMt9N6Af8CS2CTrMQFdhkGEtBXmL4ifD8UHFkBRBGmM8ZL2fWUBTZXT8m rdRMOK6tcPnKWaCvWvKr0knt970j/DyAgFmH8hgOi3yctigFecVDjjilAeCJMq38s1tYKYiL DbBdHWtdkA9uHZwq3lfd3QxcEEO3QamQF+dO7h8gAOXlG+po87Hm+E0wz4swIB8+S37Jzrx9 uu0LSFDfJCTK+TIKGa5Un8LxPxyq9WnnNDh72zK7BiRidk/s40KcNod83NM4Hn/sbGfyLa8s S0F3ME0S+ocSMOiu/ZHHOiwpLYNbwTJ7stZxGsrguWeT9P+amxbA/YlK95LedstwvN+WcHZ7 d++Arg== Message-ID: <70c1649f-b3b8-3c3b-ef80-22e851461e9f@wizmail.org> Date: Thu, 5 Dec 2019 20:31:39 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <46A739DC-CCF5-4EA1-802A-0D8E559AC187@freebsd.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-Pcms-Received-Sender: vgate18.wizint.net ([2a00:1940:107::1:2f:0] helo=lap.dom.ain) with esmtpsa X-Rspamd-Queue-Id: 47TS713vbCz4cKK X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=wizmail.org header.s=r201803 header.b=t 6hvhTn; dmarc=none; spf=none (mx1.freebsd.org: domain of jgh@wizmail.org has no SPF policy when checking 2a00:1940:107::2:0:0) smtp.mailfrom=jgh@wizmail.org X-Spamd-Result: default: False [-3.31 / 15.00]; IP_SCORE(-0.02)[country: GB(-0.08)]; NEURAL_HAM_MEDIUM(-1.00)[-0.996,0]; R_DKIM_ALLOW(-0.20)[wizmail.org:s=r201803]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-0.999,0]; MIME_GOOD(-0.10)[text/plain]; TO_DN_NONE(0.00)[]; DMARC_NA(0.00)[wizmail.org]; RCPT_COUNT_ONE(0.00)[1]; DKIM_TRACE(0.00)[wizmail.org:+]; R_SPF_NA(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; ASN(0.00)[asn:16353, ipnet:2a00:1940::/32, country:GB]; ARC_ALLOW(-1.00)[i=1]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-transport@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions of transport level network protocols in FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Dec 2019 20:31:42 -0000 On 05/12/2019 20:17, Michael Tuexen wrote: >> - tried TFO but the server didn't take it up > I would expect on = 0. Excellent; that's the most-useful one to know. >> - server accepted the TFO cookie, but not the data that was on the SYN > I don't know. I can test it and report... Many thanks. No rush on that. -- Cheers, Jeremy