From owner-freebsd-net@FreeBSD.ORG Thu Oct 25 10:36:00 2007 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 696CF16A419 for ; Thu, 25 Oct 2007 10:36:00 +0000 (UTC) (envelope-from citrin@citrin.ru) Received: from mail.classis.ru (classis.ru [213.248.60.120]) by mx1.freebsd.org (Postfix) with ESMTP id 3025A13C4A3 for ; Thu, 25 Oct 2007 10:36:00 +0000 (UTC) (envelope-from citrin@citrin.ru) Received: from [192.168.1.33] (ppp91-76-239-163.pppoe.mtu-net.ru [91.76.239.163]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: citrin@citrin.ru) by mail.classis.ru (Postfix) with ESMTP id 20B99B828 for ; Thu, 25 Oct 2007 14:24:58 +0400 (MSD) Message-ID: <47206EE2.6030606@citrin.ru> Date: Thu, 25 Oct 2007 14:24:34 +0400 From: Anton Yuzhaninov User-Agent: Thunderbird by compcn MIME-Version: 1.0 To: freebsd-net@freebsd.org Content-Type: text/plain; charset=windows-1251; format=flowed Content-Transfer-Encoding: 7bit Subject: RELENG_7: can't connect to Solaris X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Oct 2007 10:36:00 -0000 I can't connect from FreeBSD 7 box to Solaris 9. While between FreeBSD6 and Solaris 9 tcp work fine. I run on FreeBSD, and it nod't work: $ fetch -o /dev/null http://mail6:8274 fetch: transfer timed out OS versions: FreeBSD citrin.rambler.stack.net 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #0: Fri Oct 19 00:31:03 MSD 2007 citrin@citrin.rambler.stack.net:/usr/obj/usr/src/sys/GENERIC amd64 SunOS mail6 5.9 Generic_117172-07 i86pc i386 i86pc tcpdump on freebsd side: 04:26:28.332895 81.19.65.162.57161 > 81.19.71.6.8274: S [bad tcp cksum 3038!] 3123015513:3123015513(0) win 65535 (DF) (ttl 64, id 27368, len 60, bad cksum 0!) 04:26:28.333213 81.19.71.6.8274 > 81.19.65.162.57161: S [tcp sum ok] 2890615179:2890615179(0) ack 3123015514 win 33304 (DF) (ttl 62, id 16035, len 64) 04:26:28.333290 81.19.65.162.57161 > 81.19.71.6.8274: . [bad tcp cksum 793f!] ack 1 win 260 (DF) (ttl 64, id 27369, len 52, bad cksum 0!) 04:26:28.334892 81.19.65.162.57161 > 81.19.71.6.8274: P [bad tcp cksum 572f!] 1:88(87) ack 1 win 260 (DF) (ttl 64, id 27370, len 139, bad cksum 0!) 04:26:28.335148 81.19.71.6.8274 > 81.19.65.162.57161: . [tcp sum ok] ack 88 win 33260 (DF) (ttl 62, id 16036, len 52) snoop in Solaris show same: 1 0.00000 81.19.65.162 -> 81.19.71.6 TCP D=8274 S=57161 Syn Seq=3123015513 Len=0 Win=65535 Options= 2 0.00001 81.19.71.6 -> 81.19.65.162 TCP D=57161 S=8274 Syn Ack=3123015514 Seq=2890615179 Len=0 Win=33304 Options= 3 0.00028 81.19.65.162 -> 81.19.71.6 TCP D=8274 S=57161 Ack=2890615180 Seq=3123015514 Len=0 Win=260 Options= 4 0.00162 81.19.65.162 -> 81.19.71.6 TCP D=8274 S=57161 Push Ack=2890615180 Seq=3123015514 Len=87 Win=260 Options= 5 0.00003 81.19.71.6 -> 81.19.65.162 TCP D=57161 S=8274 Ack=3123015601 Seq=2890615180 Len=0 Win=33260 Options= With net.inet.tcp.rfc1323=0 tcp work, but it should work with rfc1323=1 (and in FreeBSD 6 tcp to SunOS work with rfc1323=1). net.inet.tcp.log_debug=1 and nothing about this connection logged. -- WBR, Anton Yuzhaninov