From owner-freebsd-current@FreeBSD.ORG Thu Nov 10 02:54:00 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C3D7816A41F; Thu, 10 Nov 2005 02:54:00 +0000 (GMT) (envelope-from jr@opal.com) Received: from smtp.vzavenue.net (smtp.vzavenue.net [66.171.59.140]) by mx1.FreeBSD.org (Postfix) with ESMTP id 00E7A43D48; Thu, 10 Nov 2005 02:53:59 +0000 (GMT) (envelope-from jr@opal.com) Received: from linwhf.opal.com (118.79.171.66.subscriber.vzavenue.net [66.171.79.118]) by smtp.vzavenue.net (MOS 3.7.1-GA) with ESMTP id DGW29571; Wed, 9 Nov 2005 21:49:42 -0500 (EST) Received: from ASSP-nospam (localhost [127.0.0.1]) by linwhf.opal.com (8.13.4/8.13.4) with ESMTP id jAA2nglW010371; Wed, 9 Nov 2005 21:49:42 -0500 (EST) (envelope-from jr@opal.com) Received: from 127.0.0.1 ([127.0.0.1] helo=linwhf.opal.com) by ASSP-nospam ; 10 Nov 05 02:49:42 -0000 Received: (from jr@localhost) by linwhf.opal.com (8.13.4/8.13.4/Submit) id jAA2nfSv010370; Wed, 9 Nov 2005 21:49:41 -0500 (EST) (envelope-from jr) Date: Wed, 9 Nov 2005 21:49:41 -0500 From: "J.R. Oldroyd" To: Sean McNeil Message-ID: <20051110024941.GA987@linwhf.opal.com> References: <1131161768.8571.9.camel@server.mcneil.com> <8427EC93-6788-4659-B769-3703FF2AAA9A@mcneil.com> <1131359967.1874.6.camel@server.mcneil.com> <1131424479.1341.3.camel@server.mcneil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1131424479.1341.3.camel@server.mcneil.com> User-Agent: Mutt/1.4.2.1i X-Junkmail-Status: score=0/50, host=smtp.vzavenue.net X-Mailman-Approved-At: Thu, 10 Nov 2005 04:13:04 +0000 Cc: ume@freebsd.org, current@freebsd.org Subject: Re: recent MFC code to 6-STABLE kills ipv6 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Nov 2005 02:54:00 -0000 Experiencing the problem over here, too. # ifconfig gif0 gif0: flags=8051 mtu 1280 tunnel inet 66.171.79.118 --> 64.86.88.116 inet6 2001:5c0:8fff:fffe::553 --> 2001:5c0:8fff:fffe::552 prefixlen 128 inet6 fe80::20c:6eff:fe75:69aa%gif0 prefixlen 64 scopeid 0x5 # ping6 2001:5c0:8fff:fffe::553 PING6(56=40+8+8 bytes) 2001:5c0:8fff:fffe::553 --> 2001:5c0:8fff:fffe::553 16 bytes from 2001:5c0:8fff:fffe::553, icmp_seq=0 hlim=64 time=1.658 ms 16 bytes from 2001:5c0:8fff:fffe::553, icmp_seq=1 hlim=64 time=0.720 ms 16 bytes from 2001:5c0:8fff:fffe::553, icmp_seq=2 hlim=64 time=0.681 ms ^C Ping6 works fine: However TCP traffic is broke, for example, when I try to telnet to the POP3 server here, I observe that pf is blocking the server's response packets with this error: # telnet 2001:5c0:8fff:fffe::553 110 Trying 2001:5c0:8fff:fffe::553... ^C from pflog: 21:45:03.080452 rule 0/0(match): block in on gif0: 2001:5c0:8fff:fffe::553.110 > 2001:5c0:8fff:fffe::553.56716: tcp 36 [bad hdr length 8 - too short, < 20] This did not happen on earlier 6.0-current. -jr