From owner-freebsd-pf@FreeBSD.ORG Mon Jun 4 20:00:23 2007 Return-Path: X-Original-To: freebsd-pf@freebsd.org Delivered-To: freebsd-pf@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0A99016A46B for ; Mon, 4 Jun 2007 20:00:23 +0000 (UTC) (envelope-from max@love2party.net) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.186]) by mx1.freebsd.org (Postfix) with ESMTP id 9569313C44C for ; Mon, 4 Jun 2007 20:00:22 +0000 (UTC) (envelope-from max@love2party.net) Received: from [88.66.9.242] (helo=amd64.laiers.local) by mrelayeu.kundenserver.de (node=mrelayeu3) with ESMTP (Nemesis), id 0MKxQS-1HvIiv2YC6-0008Cp; Mon, 04 Jun 2007 22:00:18 +0200 From: Max Laier Organization: FreeBSD To: Hugo Koji Kobayashi Date: Mon, 4 Jun 2007 22:00:03 +0200 User-Agent: KMail/1.9.6 References: <20070528224225.GC40678@registro.br> <200706021704.53787.max@love2party.net> <20070604194430.GD21681@registro.br> In-Reply-To: <20070604194430.GD21681@registro.br> X-Face: ,,8R(x[kmU]tKN@>gtH1yQE4aslGdu+2]; R]*pL,U>^H?)gW@49@wdJ`H<=?utf-8?q?=25=7D*=5FBD=0A=09U=5For=3D=5CmOZf764=26nYj=3DJYbR1PW0ud?=>|!~,,CPC.1-D$FG@0h3#'5"k{V]a~.<=?utf-8?q?mZ=7D44=23Se=7Em=0A=09Fe=7E=5C=5DX5B=5D=5Fxj?=(ykz9QKMw_l0C2AQ]}Ym8)fU MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart1563787.u5XYN0iWIJ"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200706042200.14860.max@love2party.net> X-Provags-ID: V01U2FsdGVkX1+Fwn5G0Qdt3CZUwp5rf/SeLLEVMk1YYIdK7JT iPrTt3deL2hdeip4k1JCh/AlJWXdQiFEjF7u4MF8/B7zk+g8sl Kn4soMMFZU5DuoNENGsFg== Cc: freebsd-pf@freebsd.org Subject: Re: udp fragmentation X-BeenThere: freebsd-pf@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Technical discussion and general questions about packet filter \(pf\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Jun 2007 20:00:23 -0000 --nextPart1563787.u5XYN0iWIJ Content-Type: text/plain; charset="iso-8859-6" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Hi again, On Monday 04 June 2007, Hugo Koji Kobayashi wrote: > pf is running on the DNS client machine. The DNS server is on a > completely different network (I don't control this server). The client > can send the udp request with no problem (it's a small udp datagram; > less than 512 bytes), the server sends the udp response fragmented, > but the client can't receive it. > > Please, find attached a new test with the requested information. > udp: > 36 datagrams received > 2 with bad checksum > 34 delivered > 40 datagrams output > udp: > 36 datagrams received > 3 with bad checksum > 33 delivered > 41 datagrams output Aha! Can you confirm that "bad checksum" increases for every fragmented=20 packet and I'll look for a cure. =2D-=20 /"\ Best regards, | mlaier@freebsd.org \ / Max Laier | ICQ #67774661 X http://pf4freebsd.love2party.net/ | mlaier@EFnet / \ ASCII Ribbon Campaign | Against HTML Mail and News --nextPart1563787.u5XYN0iWIJ Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.3 (FreeBSD) iD8DBQBGZG9OXyyEoT62BG0RAp3EAJ4gOJ82gJBok4FVWVstDLamLdFlawCdF+lD /RItcBoZWGoZqFdLZt5rTkQ= =wDm1 -----END PGP SIGNATURE----- --nextPart1563787.u5XYN0iWIJ--