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тАО03-24-2010 08:28 AM
тАО03-24-2010 08:28 AM
SSH error when connecting over putty
Appreciate your quick help on this.
I am having issue while connecting to one of the server over ssh using putty. When i conncet to the server putty is getting disconnected with following message
"Server Unexpectedely closed network connection"
but after continuously tried for 2 or 3 times, i will be able to connect. I am facing this issue after restoring this server from ignite last week. before that this was working perfectly. Also i dont have any issue connecting to any of the other servers.
when i checked the syslog i found following error occuring continously.
###### truncated#### error: PAM: Authentication failed for cipher1 from###### truncated####
###### truncated#### Failed password for cipher1 from Failed password for cipher1 from
Can anyone help me on this?
Thanks in advance
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тАО03-24-2010 08:52 AM
тАО03-24-2010 08:52 AM
Re: SSH error when connecting over putty
Login to server via telnet and porvide the log io /var/adm/syslog/syslog.log
we will be able to get some clue from it.
If possible try to restart SSH on it.
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тАО03-24-2010 08:53 AM
тАО03-24-2010 08:53 AM
Re: SSH error when connecting over putty
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тАО03-24-2010 09:55 AM
тАО03-24-2010 09:55 AM
Re: SSH error when connecting over putty
I compared it with othere servers. both are identical
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тАО03-24-2010 05:14 PM
тАО03-24-2010 05:14 PM
Re: SSH error when connecting over putty
Convert your server to untrusted mode using sam
once then reconvert to trusted mode.
Type ssh -V and find ssh version you can download latest ssh from open ssh site repect of os version and install it hope this will resolver issue.
Chandra
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тАО03-24-2010 06:19 PM
тАО03-24-2010 06:19 PM
Re: SSH error when connecting over putty
To log at the DEBUG level, do the following:
# vi /opt/ssh/etc/sshd_config
# sftp-server logging
LogSftp yes
SftpLogFacility LOCAL1
SftpLogLevel DEBUG
# vi /etc/syslog.conf
local1.debug /var/adm/syslog/sshd.log
# kill -HUP
# /sbin/init.d/secsh stop
# /sbin/init.d/secsh start
Then all the logging will appear in /var/adm/syslog/sshd.log.
# ps -ef |grep ssh
Does the ssh to localhost has the issue all the time as well?
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тАО03-24-2010 08:10 PM
тАО03-24-2010 08:10 PM
Re: SSH error when connecting over putty
if not then cipher1 is accessing your server with wrong passwd >>> check that
Can you check ps -ef|grep ssh|wc
BR,
Kapil+