Date: Fri, 21 Jan 2005 17:34:01 -0600 From: luke <lgrady@gmail.com> To: freebsd <freebsd-questions@freebsd.org> Subject: slow ssh since upgrade from 5.3-release-p4 to p5 Message-ID: <5fee5e30050121153451747114@mail.gmail.com>
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i have an smp system and just upgraded from p4 to p5 of 5.3-release. since the upgrade, ssh seems to be hanging at pam authentication. i've messed around with /etc/pam.d/sshd and tried various configurations. i've put ChallengeResponseAuthentication yes in sshd_config instead of yes. i even installed openssh-portable from ports, and it has the same issues. output of sshd -d (it's OpenSSH_3.8.1p1) debug1: Bind to port 234 on 0.0.0.0. Server listening on 0.0.0.0 port 234. debug1: Server will not fork when running in debugging mode. debug1: res_init() Connection from 66.142.109.139 port 1666 debug1: Client protocol version 2.0; client software version PuTTY-Release-0 debug1: no match: PuTTY-Release-0.56 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 FreeBSD-20040419 debug1: permanently_set_uid: 22/22 debug1: list_hostkey_types: ssh-dss debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: client->server aes256-cbc hmac-sha1 none debug1: kex: server->client aes256-cbc hmac-sha1 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST_OLD received debug1: SSH2_MSG_KEX_DH_GEX_GROUP sent debug1: expecting SSH2_MSG_KEX_DH_GEX_INIT debug1: SSH2_MSG_KEX_DH_GEX_REPLY sent debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: KEX done then there is a long pause here debug1: userauth-request for user verbose service ssh-connection method none debug1: attempt 0 failures 0 debug1: PAM: initializing for "verbose" Failed none for verbose from 66.142.109.139 port 1666 ssh2 debug1: userauth-request for user verbose service ssh-connection method keyboard-interactive debug1: attempt 1 failures 1 debug1: keyboard-interactive devs debug1: auth2_challenge: user=verbose devs= debug1: kbdint_alloc: devices 'pam' debug1: auth2_challenge_start: trying authentication method 'pam' another long pause, then password prompt(i'm using putty v0.56) debug1: PAM: setting PAM_RHOST to "adsl-66-142-109-139.dsl.crchtx.swbell.net" Postponed keyboard-interactive for verbose from 66.142.109.139 port 1666 ssh2 another shorter pause debug1: PAM: num PAM env strings 0 Postponed keyboard-interactive/pam for verbose from 66.142.109.139 port 1666 ssh2 Accepted keyboard-interactive/pam for verbose from 66.142.109.139 port 1666 ssh2 Accepted keyboard-interactive/pam for verbose from 66.142.109.139 port 1666 ssh2 debug1: monitor_child_preauth: verbose has been authenticated by privileged process debug1: PAM: reinitializing credentials debug1: Entering interactive session for SSH2. debug1: server_init_dispatch_20 debug1: server_input_channel_open: ctype session rchan 256 win 16384 max 16384 debug1: input_session_request debug1: channel 0: new [server-session] debug1: session_new: init debug1: session_new: session 0 debug1: session_open: channel 0 debug1: session_open: session 0: link with channel 0 debug1: server_input_channel_open: confirm session debug1: server_input_channel_req: channel 0 request pty-req reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req pty-req debug1: Allocating pty. debug1: session_new: init debug1: session_new: session 0 debug1: session_pty_req: session 0 alloc /dev/ttyp1 debug1: server_input_channel_req: channel 0 request shell reply 1 debug1: session_by_channel: session 0 channel 0 debug1: session_input_channel_req: session 0 req shell debug1: PAM: setting PAM_TTY to "/dev/ttyp1" debug1: Setting controlling tty using TIOCSCTTY. thanks for any help
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