From owner-freebsd-net@FreeBSD.ORG Thu May 29 08:00:10 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 01441CF; Thu, 29 May 2014 08:00:10 +0000 (UTC) Received: from 0.mx.codelabs.ru (0.mx.codelabs.ru [144.206.233.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9384729F3; Thu, 29 May 2014 08:00:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=codelabs.ru; s=three; h=Sender:In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date; bh=A+0Svm+SbdgUThZDPWRpNFd5tUxXdAnY2lAxIOLY4k4=; b=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; Received: from void.codelabs.ru (void.codelabs.ru [144.206.233.66]) by 0.mx.codelabs.ru with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) id 1WpvFv-000JZl-6m; Thu, 29 May 2014 12:00:07 +0400 Date: Thu, 29 May 2014 12:00:05 +0400 From: Eygene Ryabinkin To: hiren panchasara Subject: Re: kern/190102: [tcp] net.inet.tcp.drop_synfin=1 no longer works on FreeBSD 10+ [regression] Message-ID: References: <201405222101.s4ML122N061489@freefall.freebsd.org> <+Uw/Ss5bElti5gir++ydy1GLu7M@dHhGgwofm7uNfL6/X5+bGIkDUYs> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="keyOwv2R5UpfANsk" Content-Disposition: inline In-Reply-To: Sender: rea@codelabs.ru Cc: "freebsd-net@freebsd.org" , FreeBSD GNATS followup X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 May 2014 08:00:10 -0000 --keyOwv2R5UpfANsk Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Wed, May 28, 2014 at 11:52:51PM -0700, hiren panchasara wrote: > On Wed, May 28, 2014 at 10:46 PM, Eygene Ryabinkin wrot= e: > > I assume that your pf(4) is enabled during these tests, you have > > "scrub" statements in the ruleset and removing "scrub" will restore > > the expected behaviour on 10.x? >=20 > I can confirm that I see exactly what you are saying on a stable/10 box. I had found 2 flavors of 9.x boxen: 9.1/9.2 that behave like 10.x and some 9.0 that are dropping SYN|FIN even in the presence of "scrub". The trouble is that the latter boxes are in full production, so I need some time to try to reproduce that on the text box. --=20 Eygene Ryabinkin ,,,^..^,,, [ Life's unfair - but root password helps! | codelabs.ru ] [ 82FE 06BC D497 C0DE 49EC 4FF0 16AF 9EAE 8152 ECFB | freebsd.org ] --keyOwv2R5UpfANsk Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iL4EABEKAGYFAlOG6QVfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3Bl bnBncC5maWZ0aGhvcnNlbWFuLm5ldDgyRkUwNkJDRDQ5N0MwREU0OUVDNEZGMDE2 QUY5RUFFODE1MkVDRkIACgkQFq+eroFS7PtX4gEAlfR1J3rriTRJrZSkZMvZ6wRP jVK+1i9Qvupkk+wiooIA+wTk7wyrdGMlW6j/+7MmLcJN8buTeOAsUG18GJ9ef/AH =xpit -----END PGP SIGNATURE----- --keyOwv2R5UpfANsk--