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Date:      Fri, 30 Jan 2004 18:15:23 -0000
From:      "Edmund Craske" <edmund@m00is.net>
To:        "'Mike Hunter'" <mhunter@ack.Berkeley.EDU>, "'Randy Bush'" <randy@psg.com>
Cc:        'FreeBSD Current' <freebsd-current@freebsd.org>
Subject:   RE: ssh hang
Message-ID:  <000001c3e75d$07949a60$0464a8c0@alpha>
In-Reply-To: <20040130170931.GB5100@ack.Berkeley.EDU>

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Surely this is the old reverse DNS issue?

> -----Original Message-----
> From: owner-freebsd-current@freebsd.org 
> [mailto:owner-freebsd-current@freebsd.org] On Behalf Of Mike Hunter
> Sent: 30 January 2004 17:10
> To: Randy Bush
> Cc: FreeBSD Current
> Subject: Re: ssh hang
> 
> 
> On Jan 30, "Randy Bush" wrote:
> 
> I experienced this *same* hang from a 5.2-RELEASE (Thu Jan 22 
> 04:51:45 PST 
> 2004) box acting as the ssh server.  I experienced the 
> problem with clients from FBSD 5.1, redhat linux (?) and 
> knoppix linux 3.3.  The hang was at the exact same spot when 
> running "ssh -v -v -v".
> 
> Sorry to make the picture more confusing :|
> 
> Mike
> 
> > recently, i have been seeing a large pause when sshing into 
> my -stable 
> > systems from a -current.  no problem between -stable systems
> > 
> > 
> > ssh on today's -current
> > sshd on two week old -stable
> > what would cause the giant pause?
> > 
> > 
> > % ssh -v myhost
> > OpenSSH_3.7.1p2 FreeBSD-20040106, SSH protocols 1.5/2.0, OpenSSL 
> > 0.9.7c 30 Sep 2003
> > debug1: Reading configuration data /etc/ssh/ssh_config
> > debug1: Connecting to myhost.dom.ain [666.42.7.11] port 22.
> > debug1: Connection established.
> > debug1: identity file /usr/home/randy/.ssh/identity type 0
> > debug1: identity file /usr/home/randy/.ssh/id_rsa type 1
> > debug1: identity file /usr/home/randy/.ssh/id_dsa type 2
> > debug1: Remote protocol version 2.0, remote software 
> version OpenSSH_3.5p1 FreeBSD-20030924
> > debug1: match: OpenSSH_3.5p1 FreeBSD-20030924 pat 
> OpenSSH_3.2*,OpenSSH_3.3*,OpenSSH_3.4*,OpenSSH_3.5*
> > debug1: Enabling compatibility mode for protocol 2.0
> > debug1: Local version string SSH-2.0-OpenSSH_3.7.1p2 
> FreeBSD-20040106
> > debug1: SSH2_MSG_KEXINIT sent
> > debug1: SSH2_MSG_KEXINIT received
> > debug1: kex: server->client aes128-cbc hmac-md5 none
> > debug1: kex: client->server aes128-cbc hmac-md5 none
> > debug1: SSH2_MSG_KEX_DH_GEX_REQUEST sent
> > debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
> > debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
> > debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
> > debug1: Host 'myhost.dom.ain' is known and matches the DSA host key.
> > debug1: Found key in /usr/home/randy/.ssh/known_hosts:18
> > debug1: ssh_dss_verify: signature correct
> > debug1: SSH2_MSG_NEWKEYS sent
> > debug1: expecting SSH2_MSG_NEWKEYS
> > debug1: SSH2_MSG_NEWKEYS received
> > debug1: SSH2_MSG_SERVICE_REQUEST sent
> > debug1: SSH2_MSG_SERVICE_ACCEPT received
> > 
> > <15-30 second pause>
> > 
> > debug1: Authentications that can continue: publickey,password
> > debug1: Next authentication method: publickey
> > debug1: Offering public key: /usr/home/randy/.ssh/id_rsa
> > debug1: Authentications that can continue: publickey,password
> > debug1: Offering public key: /usr/home/randy/.ssh/id_dsa
> > debug1: Server accepts key: pkalg ssh-dss blen 435
> > debug1: Authentication succeeded (publickey).
> > debug1: channel 0: new [client-session]
> > debug1: Entering interactive session.
> > debug1: Requesting X11 forwarding with authentication 
> spoofing. Last 
> > login: Thu Jan 29 23:12:14 2004 from roamer.dom.ain Copyright (c) 
> > 1980, 1983, 1986, 1988, 1990, 1991, 1993, 1994
> >         The Regents of the University of California.  All rights 
> > reserved.
> > 
> > FreeBSD 4.9-STABLE (MYHOST) #14: Thu Jan 15 20:25:08 PST 2004
> > 
> > unauthorized  access/use  strictly  forbidden
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