From owner-freebsd-bugs@freebsd.org Tue Oct 3 06:01:02 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 7DD3AE31B63 for ; Tue, 3 Oct 2017 06:01:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (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 6CACB65BA7 for ; Tue, 3 Oct 2017 06:01:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v93612dJ022382 for ; Tue, 3 Oct 2017 06:01:02 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 222746] ipfw: tcpdatalen does not exactly match IPv6 packets. Date: Tue, 03 Oct 2017 06:01:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: tatsuki_makino@hotmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Oct 2017 06:01:02 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222746 Bug ID: 222746 Summary: ipfw: tcpdatalen does not exactly match IPv6 packets. Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: tatsuki_makino@hotmail.com Created attachment 186874 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D186874&action= =3Dedit patch for CURRENT tcpdatalen rule option does not match IPv6 packets correctly because code f= or IPv6 is not implemented. # ipfw show 3100 03100 1819 135800 count log logamount 1000 tcp from any to any { tcpf= lags syn or tcpflags rst } tcpdatalen 32768-65535 // signed negative number range The size of 1819 packets was over 32768 bytes, but the total was 135800 byt= es. tested on # uname -a FreeBSD T2.test 10.4-PRERELEASE FreeBSD 10.4-PRERELEASE #0 r324142M: Sun Oc= t 1 01:25:30 UTC 2017 root@T2.test:/usr/obj/usr/src/sys/GENERIC amd64 A patch needs to be tested by people who know them well. --=20 You are receiving this mail because: You are the assignee for the bug.=