Date: Wed, 23 Feb 2005 06:57:50 +0000 From: Jim Freeze <jim@freeze.org> To: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> Cc: questions@freebsd.org Subject: Re: SSH terminal locking up from OS X to FreeBSD Message-ID: <20050223065749.GA14245@freeze.org> In-Reply-To: <4e89e37f3eff3502b8959501144502e0@shire.net> References: <20050222211148.GA39859@freeze.org> <421BAC56.4050801@daleco.biz> <20050222231352.GA34739@freeze.org> <57d710000502221532dbacb23@mail.gmail.com> <20050222233640.GD34739@freeze.org> <421BC3AB.8030203@mac.com> <20050223050420.GA38709@freeze.org> <4e89e37f3eff3502b8959501144502e0@shire.net>
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* Chad Leigh -- Shire.Net LLC <chad@shire.net> [2005-02-22 22:58:17 -0700]: > Just for giggles, what happens when you try a different encryption > method with the ssl client? For example, -c blowfish Ok, so I tried this, but it still locks up. However, I was able to do <RETURN>~C to get a command line and <RETURN>~^Z to background the ssh terminal, but I was never able to re-activate it. I did manage to log the IP activity through tcp dump, and I discovered that after the 'lock up', there are no IP messages originating from the remote machine. Also, the IP blocks are of type FP, whatever that is. (Hmm, maybe I need to clear out the known hosts on the remote machine.) An abbreviated version is below. The full log file is at: http://www.freeze.org/tcpdump3b.log 00:22:59.999439 IP localhost.53245 > remotemachine.com.ssh: S 611378943:611378943(0) win 65535 <mss 1360,nop,wscale 0,nop,nop,timestamp 1996513030 0> 00:23:00.053942 IP remotemachine.com.ssh > localhost.53245: S 77400915:77400915(0) ack 611378944 win 57344 <mss 1460,nop,wscale 0,nop,nop,timestamp 1100668230 1996513030> 00:23:00.054039 IP localhost.53245 > remotemachine.com.ssh: . ack 1 win 65535 <nop,nop,timestamp 1996513030 1100668230> 00:23:00.331844 IP remotemachine.com.ssh > localhost.53245: P 1:24(23) ack 1 win 57964 <nop,nop,timestamp 1100668258 1996513030> 00:23:04.922358 IP localhost.53245 > remotemachine.com.ssh: . ack 3512 win 65535 <nop,nop,timestamp 1996513040 1100668711> # Long break - remote terminal stops responding but data is still flowing as you can see. # <RETURN> 00:34:05.662885 IP localhost.53245 > remotemachine.com.ssh: P 1519:1559(40) ack 3512 win 65535 <nop,nop,timestamp 1996514361 1100668711> 00:34:07.284836 IP localhost.53245 > remotemachine.com.ssh: P 1519:1559(40) ack 3512 win 65535 <nop,nop,timestamp 1996514364 1100668711> 00:34:09.285235 IP localhost.53245 > remotemachine.com.ssh: P 1519:1559(40) ack 3512 win 65535 <nop,nop,timestamp 1996514368 1100668711> 00:34:43.290382 IP localhost.53240 > remotemachine.com.ssh: FP 0:48(48) ack 1 win 65535 <nop,nop,timestamp 1996514436 1100663377> # <RETURN>~? 00:35:09.294870 IP localhost.53245 > remotemachine.com.ssh: P 1519:1719(200) ack 3512 win 65535 <nop,nop,timestamp 1996514488 1100668711> 00:37:17.308387 IP localhost.53245 > remotemachine.com.ssh: FP 1519:2655(1136) ack 3512 win 65535 <nop,nop,timestamp 1996514744 1100668711> #Closed terminal -- Jim Freeze
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