From owner-freebsd-bugs@FreeBSD.ORG Wed Feb 13 00:40:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id BCA6116A420 for ; Wed, 13 Feb 2008 00:40:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id A1D7413C461 for ; Wed, 13 Feb 2008 00:40:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m1D0e2l6097401 for ; Wed, 13 Feb 2008 00:40:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m1D0e2Wv097400; Wed, 13 Feb 2008 00:40:02 GMT (envelope-from gnats) Resent-Date: Wed, 13 Feb 2008 00:40:02 GMT Resent-Message-Id: <200802130040.m1D0e2Wv097400@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Ighighi Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E342F16A469 for ; Wed, 13 Feb 2008 00:36:29 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id D807C13C467 for ; Wed, 13 Feb 2008 00:36:29 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m1D0YDt7086481 for ; Wed, 13 Feb 2008 00:34:13 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m1D0YDBf086480; Wed, 13 Feb 2008 00:34:13 GMT (envelope-from nobody) Message-Id: <200802130034.m1D0YDBf086480@www.freebsd.org> Date: Wed, 13 Feb 2008 00:34:13 GMT From: Ighighi To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/120587: TCP_DROP_SYNFIN isn't at all gone on 6.3 and RELENG_6 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Feb 2008 00:40:02 -0000 >Number: 120587 >Category: kern >Synopsis: TCP_DROP_SYNFIN isn't at all gone on 6.3 and RELENG_6 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Feb 13 00:40:02 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Ighighi >Release: 6.3-STABLE >Organization: >Environment: FreeBSD orion 6.3-STABLE FreeBSD 6.3-STABLE #0: Tue Feb 12 10:18:06 VET 2008 root@orion.nebula.mil:/usr/obj/usr/src/sys/CUSTOM i386 >Description: According to the CVS log of rc.conf(5), TCP_DROP_SYNFIN is no longer needed for setting tcp_drop_synfin. It is not the case... Quoting: http://www.FreeBSD.org/cgi/cvsweb.cgi/src/share/man/man5/rc.conf.5?only_with_tag=RELENG_6 "MFC rev. 1.322 rc.conf, rev. 1.332 rc.conf.5: TCP_DROP_SYNFIN has gone" >How-To-Repeat: $ fgrep -r TCP_DROP_SYNFIN /usr/src/sys /usr/src/sys/conf/NOTES:# TCP_DROP_SYNFIN adds support for ignoring TCP packets with SYN+FIN. This /usr/src/sys/conf/NOTES:options TCP_DROP_SYNFIN #drop TCP packets with SYN+FIN /usr/src/sys/conf/options:TCP_DROP_SYNFIN opt_tcp_input.h /usr/src/sys/netinet/tcp_input.c:#ifdef TCP_DROP_SYNFIN /usr/src/sys/netinet/tcp_input.c:#ifdef TCP_DROP_SYNFIN >Fix: Either undo the changes to rc.conf(5) on RELENG_6 or truly drop TCP_DROP_SYNFIN >Release-Note: >Audit-Trail: >Unformatted: