From owner-freebsd-pf@freebsd.org Sat Oct 20 18:37:50 2018 Return-Path: Delivered-To: freebsd-pf@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E2A66FF0A3A for ; Sat, 20 Oct 2018 18:37:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 7FD4781982 for ; Sat, 20 Oct 2018 18:37:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 44800FF0A37; Sat, 20 Oct 2018 18:37:50 +0000 (UTC) Delivered-To: pf@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3354BFF0A35 for ; Sat, 20 Oct 2018 18:37:50 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id CA5E38197F for ; Sat, 20 Oct 2018 18:37:49 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 1CAB41AA27 for ; Sat, 20 Oct 2018 18:37:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w9KIbmEW037746 for ; Sat, 20 Oct 2018 18:37:48 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w9KIbmPU037745 for pf@FreeBSD.org; Sat, 20 Oct 2018 18:37:48 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: pf@FreeBSD.org Subject: [Bug 197484] fix pf 3whs ACK handling Date: Sat, 20 Oct 2018 18:37:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.1-STABLE X-Bugzilla-Keywords: patch X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: commit-hook@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: pf@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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-pf@freebsd.org X-Mailman-Version: 2.1.29 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: Sat, 20 Oct 2018 18:37:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D197484 --- Comment #2 from commit-hook@freebsd.org --- A commit references this bug: Author: kp Date: Sat Oct 20 18:37:22 UTC 2018 New revision: 339470 URL: https://svnweb.freebsd.org/changeset/base/339470 Log: pf synproxy will do the 3WHS on behalf of the target machine, and once the 3WHS is completed, establish the backend connection. The trigger for "3WHS completed" is the reception of the first ACK. However, we should not proceed if that ACK also has RST or FIN set. PR: 197484 Obtained from: OpenBSD MFC after: 2 weeks Changes: head/sys/netpfil/pf/pf.c --=20 You are receiving this mail because: You are the assignee for the bug.=