Re: Problem connecting to SSH, OpenVMS7.3-2, HP TCP/IP v5.4 patched
- From: sms@xxxxxxxxxxxx (Steven M. Schweda)
- Date: Mon, 20 Nov 2006 17:06:05 -0600 (CST)
From: "Milton" <milton.baar@xxxxxxxxx>
$ ssh -v beta
debug: Ssh2/SSH2.C:1847: CRTL version (SYS$SHARE:DECC$SHR.EXE ident) is V7.3-2-0
0
debug: SshAppCommon/SSHAPPCOMMON.C:307: Allocating global SshRegex context.
debug: SshConfig/SSHCONFIG.C:3285: Metaconfig parsing stopped at line 3.
debug: SshConfig/SSHCONFIG.C:842: Setting variable 'VerboseMode' to 'FALSE'.
debug: SshConfig/SSHCONFIG.C:3193: Unable to open ssh2/ssh2_config
debug: Connecting to beta, port 22... (SOCKS not used)
debug: Ssh2/SSH2.C:2813: Entering event loop.
debug: Ssh2Client/SSHCLIENT.C:1607: Creating transport protocol.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:99: Added "publickey" to usable meth
ods.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:99: Added "keyboard-interactive" to
usable methods.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:99: Added "password" to usable metho
ds.
debug: Ssh2Client/SSHCLIENT.C:1648: Creating userauth protocol.
debug: client supports 3 auth methods:
'publickey,keyboard-interactive,password'
debug: SshUnixTcp/SSHUNIXTCP.C:1356: using local hostname beta.xxx.com
debug: Ssh2Common/SSHCOMMON.C:545: local ip = 192.168.100.201, local port = 4915
2
debug: Ssh2Common/SSHCOMMON.C:547: remote ip = 192.168.100.201, remote port = 22
debug: SshConnection/SSHCONN.C:2277: Wrapping...
debug: SshReadLine/SSHREADLINE.C:3651: Initializing ReadLine...
debug: Ssh2Common/SSHCOMMON.C:184: DISCONNECT received: Connection closed by rem
ote host.
debug: SshReadLine/SSHREADLINE.C:3717: Uninitializing ReadLine...
warning: Authentication failed.
debug: Ssh2/SSH2.C:316: locally_generated = TRUE
Disconnected; connection lost (Connection closed by remote host.).
debug: Ssh2Client/SSHCLIENT.C:1683: Destroying client.
debug: SshConfig/SSHCONFIG.C:2745: Freeing pki. (host_pki != NULL, user_pki = NU
LL)
debug: SshConnection/SSHCONN.C:2329: Destroying SshConn object.
debug: Ssh2Client/SSHCLIENT.C:1751: Destroying client completed.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:104: Destroying authentication metho
d array.
debug: SshAppCommon/SSHAPPCOMMON.C:320: Freeing global SshRegex context.
debug: SshConfig/SSHCONFIG.C:2745: Freeing pki. (host_pki = NULL, user_pki = NUL
L)
So, as you can see, I am trying to make an ssh connection with the
client on the same node as the server.
So it appears.
I have also tried using various
windows-based ssh clients and get the same result. I thought that if
it can't work locally, its not going to work remotely either!
Sounds reasonable to me.
When I do the same thing, we look similar for a while, and then
diverge:
alp $ tcpip show version
HP TCP/IP Services for OpenVMS Alpha Version V5.4 - ECO 6
on a COMPAQ Professional Workstation XP1000 running OpenVMS V7.3-2
alp $ ssh "-V"
alp$dka0:[sys0.syscommon.][sysexe]tcpip$ssh_ssh2.exe: SSH Secure Shell OpenVMS (
V5.5) 3.2.0 on COMPAQ Professional Workstation - VMS V7.3-2
alp $ ssh -v alp
debug: Ssh2/SSH2.C:1906: CRTL version (SYS$SHARE:DECC$SHR.EXE ident) is V7.3-2-0
3
debug: SshAppCommon/SSHAPPCOMMON.C:322: Allocating global SshRegex context.
debug: SshConfig/SSHCONFIG.C:3332: Metaconfig parsing stopped at line 4.
debug: SshConfig/SSHCONFIG.C:861: Setting variable 'VerboseMode' to 'FALSE'.
debug: SshConfig/SSHCONFIG.C:3240: Unable to open ssh2/ssh2_config
debug: Connecting to alp, port 22... (SOCKS not used)
debug: Ssh2/SSH2.C:2872: Entering event loop.
debug: Ssh2Client/SSHCLIENT.C:1608: Creating transport protocol.
[Here things start to differ, but not in obviously fatal ways.]
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:101: Added "hostbased" to usable met
hods.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:101: Added "publickey" to usable met
hods.
debug: SshAuthMethodClient/SSHAUTHMETHODC.C:101: Added "password" to usable meth
ods.
debug: Ssh2Client/SSHCLIENT.C:1649: Creating userauth protocol.
debug: client supports 3 auth methods: 'hostbased,publickey,password'
debug: SshUnixTcp/SSHUNIXTCP.C:1378: using local hostname alp.antinode.org
debug: Ssh2Common/SSHCOMMON.C:546: local ip = 10.0.0.9, local port = 58480
debug: Ssh2Common/SSHCOMMON.C:548: remote ip = 10.0.0.9, remote port = 22
debug: SshConnection/SSHCONN.C:2290: Wrapping...
debug: SshReadLine/SSHREADLINE.C:3670: Initializing ReadLine...
[Here, I continue happily, where you enter the fatal vortex.]
debug: Remote version: SSH-2.0-3.2.0 SSH Secure Shell OpenVMS V5.5 VMS_sftp_vers
ion 2
debug: Major: 3 Minor: 2 Revision: 0
debug: Ssh2Transport/TRCOMMON.C:2268: lang s to c: `', lang c to s: `'
debug: Ssh2Transport/TRCOMMON.C:2333: c_to_s: cipher aes128-cbc, mac hmac-sha1,
compression none
debug: Ssh2Transport/TRCOMMON.C:2336: s_to_c: cipher aes128-cbc, mac hmac-sha1,
compression none
debug: Remote host key found from database.
[... more successful stuff ...]
Knowing little, I'd guess that the server dies in some way to cause
that "DISCONNECT received: Connection closed by remote host." message.
You might look for interesting stuff in the log file(s):
SYS$SYSDEVICE:[TCPIP$SSH]TCPIP$SSH_RUN.LOG
One of my successful run log files looks like this:
$ Set NoOn
$ VERIFY = F$VERIFY(F$TRNLNM("SYLOGIN_VERIFY"))
Mon 20 17:24:23 WARNING: Starting image in auxiliary server mode.
Mon 20 17:24:23 INFORMATIONAL: OpenVMS$gl_sockfd = 0
Mon 20 17:24:23 INFORMATIONAL: connection from "10.0.0.9"
Mon 20 17:24:23 WARNING: Error trying to access file /home_sms/sms/ssh2/knownhosts/alp_antinode_org_ssh-dss.pub.
[No surprise, as I allow, but don't use, host-based authentication.]
Mon 20 17:24:24 NOTICE: Public key /home_sms/sms/ssh2/SMS_NPP_ID_DSA_1024_A.PUB used.
Mon 20 17:24:24 NOTICE: Public key authentication for user sms accepted.
Mon 20 17:24:24 NOTICE: User sms, coming from alp.antinode.org, authenticated.
[Normal logout here.]
Mon 20 17:24:30 INFORMATIONAL: Local disconnected: Connection closed.
Mon 20 17:24:30 INFORMATIONAL: connection lost: 'Connection closed.'
TCPIP$SSH job terminated at 20-NOV-2006 17:24:30.94
Accounting information:
Buffered I/O count: 675 Peak working set size: 9280
Direct I/O count: 321 Peak virtual size: 181632
Page faults: 692 Mounted volumes: 0
Charged CPU time: 0 00:00:00.38 Elapsed time: 0 00:00:07.89
I changed my SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG file so:
ALP $ diff /merg = 0 SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG.TEMPLATE
..
************
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG.TEMPLATE;1
******
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG.;4
164 AllowedAuthentications hostbased, publickey, password
************
************
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG.TEMPLATE;1
******
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSHD2_CONFIG.;4
222 IgnoreRhosts no
************
Number of difference sections found: 2
Number of difference records found: 2
[...]
The non-default "AllowedAuthentications" accounts for the early
differences between our messages. I made a similar change to the
SSH2_CONFIG file, but I don't know if that one matters:
ALP $ diff /merg = 0 SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSH2_CONFIG.TEMPLATE
..
************
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSH2_CONFIG.TEMPLATE;1
******
File SYS$SYSDEVICE:[TCPIP$SSH.SSH2]SSH2_CONFIG.;2
131 AllowedAuthentications hostbased, publickey, password
************
Number of difference sections found: 1
Number of difference records found: 1
[...]
------------------------------------------------------------------------
Steven M. Schweda sms@antinode-org
382 South Warwick Street (+1) 651-699-9818
Saint Paul MN 55105-2547
.
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