From owner-freebsd-net@FreeBSD.ORG Wed Nov 5 18:07:52 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id D4BA8B52 for ; Wed, 5 Nov 2014 18:07:52 +0000 (UTC) Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) (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 A6771129 for ; Wed, 5 Nov 2014 18:07:52 +0000 (UTC) Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 9A6C320921 for ; Wed, 5 Nov 2014 13:00:23 -0500 (EST) Received: from web3 ([10.202.2.213]) by compute4.internal (MEProxy); Wed, 05 Nov 2014 13:00:23 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=message-id:x-sasl-enc:from:to :mime-version:content-transfer-encoding:content-type:in-reply-to :references:subject:date; s=smtpout; bh=ZCGe6dSa6KrVOoBvmkd693Ax otw=; b=isF+iNlpLfS3acRFMGOFEO3WnEBuimynPrwlaxlD1R+ilMv6E67yBgGW qhDqhUVWnmYi/kMycfT5YLFUAzh0dccBn53EZ7gpHaNBxlbHCt8xee2LC9fdbUVs 0xEZ9X25pE6SUQVll4BAEtE6cYQWcT7f+grvIIzCOiyxvL5myZ4= Received: by web3.nyi.internal (Postfix, from userid 99) id 77C7C1134A3; Wed, 5 Nov 2014 13:00:23 -0500 (EST) Message-Id: <1415210423.3394438.187470637.21CD8D3D@webmail.messagingengine.com> X-Sasl-Enc: +g+fVc20oQjz59QoEZ9pnSDk8fMfvtgZ7aaxMf5DP22C 1415210423 From: Mark Felder To: Ilya Bakulin , freebsd-net@freebsd.org MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain X-Mailer: MessagingEngine.com Webmail Interface - ajax-c51dec4f In-Reply-To: References: Subject: Re: Checksumming outgoing packets in PF vs in ip[6]_output Date: Wed, 05 Nov 2014 12:00:23 -0600 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Nov 2014 18:07:52 -0000 On Wed, Nov 5, 2014, at 08:28, Ilya Bakulin wrote: > Hi all, > > I have been hit by this 2-year-old bug with PF and 'scrub reassemble > tcp' on IPv6 connections: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=172648 > Wow, this is great. I've known about this problem since I discovered it upon updating to the 9.0-RELEASE and found my IPv6 connections were slow as molasses. Thank you for implementing a fix. I hope to be able to test it soon. Now if we could only stamp out the bug with ipv6 fragment and pf I'd be a happy, happy daemon. :-)