From owner-freebsd-pf@freebsd.org Sun Sep 15 08:32:16 2019 Return-Path: Delivered-To: freebsd-pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D1C0EE6F05 for ; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46WN0J5Gx2z47Tk for ; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id B4BF6E6F04; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) Delivered-To: pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id B488AE6F03 for ; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46WN0J4MdPz47Th for ; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 7A6C059D0 for ; Sun, 15 Sep 2019 08:32:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x8F8WGu1001607 for ; Sun, 15 Sep 2019 08:32:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8F8WGmo001606 for pf@FreeBSD.org; Sun, 15 Sep 2019 08:32:16 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: pf@FreeBSD.org Subject: [Bug 240532] pf stops purging IPv6 FIN_WAIT_2 states? Date: Sun, 15 Sep 2019 08:32:16 +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: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kp@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: cc 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: Sun, 15 Sep 2019 08:32:16 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240532 Kristof Provost changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kp@freebsd.org --- Comment #2 from Kristof Provost --- Can you repeat the tests from #222126?=20 Specifically the dtrace script in comment #1 and the procstat in comment #6? --=20 You are receiving this mail because: You are the assignee for the bug.= From owner-freebsd-pf@freebsd.org Sun Sep 15 21:00:20 2019 Return-Path: Delivered-To: freebsd-pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5D415F7431 for ; Sun, 15 Sep 2019 21:00:20 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46WhbS1Wq7z3DMp for ; Sun, 15 Sep 2019 21:00:20 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: by mailman.nyi.freebsd.org (Postfix) id 327A9F7430; Sun, 15 Sep 2019 21:00:20 +0000 (UTC) Delivered-To: pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3239FF742E for ; Sun, 15 Sep 2019 21:00:20 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46WhbS0Thnz3DMZ for ; Sun, 15 Sep 2019 21:00:20 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id E968FDDFA for ; Sun, 15 Sep 2019 21:00:19 +0000 (UTC) (envelope-from bugzilla-noreply@FreeBSD.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x8FL0Jpw060882 for ; Sun, 15 Sep 2019 21:00:19 GMT (envelope-from bugzilla-noreply@FreeBSD.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8FL0Jud060871 for pf@FreeBSD.org; Sun, 15 Sep 2019 21:00:19 GMT (envelope-from bugzilla-noreply@FreeBSD.org) Message-Id: <201909152100.x8FL0Jud060871@kenobi.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: Problem reports for pf@FreeBSD.org that need special attention Date: Sun, 15 Sep 2019 21:00:19 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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: Sun, 15 Sep 2019 21:00:20 -0000 To view an individual PR, use: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=(Bug Id). The following is a listing of current problems submitted by FreeBSD users, which need special attention. These represent problem reports covering all versions including experimental development code and obsolete releases. Status | Bug Id | Description ------------+-----------+--------------------------------------------------- Open | 203735 | Transparent interception of ipv6 with squid and p Open | 237973 | pf: implement egress keyword to simplify rules ac 2 problems total for which you should take action. From owner-freebsd-pf@freebsd.org Mon Sep 16 06:13:58 2019 Return-Path: Delivered-To: freebsd-pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CD8CDF48B6 for ; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 46WwtG56gjz4Bl5 for ; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id AF9E4F48B5; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) Delivered-To: pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id AF619F48B4 for ; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46WwtG4H6Fz4Bl4 for ; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 77A1F1C185 for ; Mon, 16 Sep 2019 06:13:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x8G6Dwsp034467 for ; Mon, 16 Sep 2019 06:13:58 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8G6Dw1A034464 for pf@FreeBSD.org; Mon, 16 Sep 2019 06:13:58 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: pf@FreeBSD.org Subject: [Bug 240532] pf stops purging IPv6 FIN_WAIT_2 states? Date: Mon, 16 Sep 2019 06:13:57 +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: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: pen@lysator.liu.se 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: Mon, 16 Sep 2019 06:13:58 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240532 --- Comment #3 from Peter Eriksson --- I ran those tests you mention and some other stuff, and it looks like the "accumulation" was due to Linux (Ubuntu 18.04 for what it's worth) NFS clie= nts bombarding our servers with new TCP connections (which they just as quickly teared down). Like 200-400 new requests/s with unique client source port numbers - no surprise those states accumulated quickly. Exactly why those Linux clients are doing this is a bit unclear but it looks like it have something to do with users having their home directory mounted= via NFSv4 with sec=3Dkrb5, and then their Kerberos tickets expiring (on the cli= ent). Possibly while they were running "evolution" which has a number of files/databases opened on the users home directory. This seems to cause "rpc.gssd" (on the client) to go into a spin (100% CPU) and somehow causes = this endless stream of new TCP connections... The stream of IP packets we are seeing look like this: 0.001280 Client -> Server SYN 0.001289 Server -> Client SYN+ACK 0.001516 Client -> Server ACK 0.003609 Client -> Server FIN+ACK 0.003615 Server -> Client ACK 0.003620 Server -> Client FIN+ACK 0.003841 Client -> Server ACK Anyway I don't think this is a problem in FreeBSD/pf so we can close this b= ug. Looking more like (yet another) Linux bug. (I wonder if it would be possible to throttle misbehaving clients like these somehow, perhaps some rate-limiting in PF could do the trick? Hmm...) --=20 You are receiving this mail because: You are the assignee for the bug.= From owner-freebsd-pf@freebsd.org Mon Sep 16 09:46:28 2019 Return-Path: Delivered-To: freebsd-pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8223BFA927 for ; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46X1bS2zPjz4Pb2 for ; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 6627BFA926; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) Delivered-To: pf@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 65F22FA925 for ; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46X1bS25xgz4Pb1 for ; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 278911E74A for ; Mon, 16 Sep 2019 09:46:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x8G9kS1v082202 for ; Mon, 16 Sep 2019 09:46:28 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8G9kSLI082201 for pf@FreeBSD.org; Mon, 16 Sep 2019 09:46:28 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: pf@FreeBSD.org Subject: [Bug 240532] pf stops purging IPv6 FIN_WAIT_2 states? Date: Mon, 16 Sep 2019 09:46:28 +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: 11.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kp@freebsd.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Not A Bug X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: pf@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: resolution bug_status 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: Mon, 16 Sep 2019 09:46:28 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240532 Kristof Provost changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |Not A Bug Status|New |Closed --- Comment #4 from Kristof Provost --- Not a FreeBSD/pf issue, as per comment #3. --=20 You are receiving this mail because: You are the assignee for the bug.=