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Operating Systems Linux SuSE Some error messages in var/log/messages Post 302942307 by JDBA on Monday 27th of April 2015 12:51:24 PM
Old 04-27-2015
Some error messages in var/log/messages

How are you?
SUSE V10 and 11.
In /var/log/messages I see these lines in some servers. I'd like to know what causes these errors and how to fix them.
Thank you,
Code:
error: PAM: Authentication failure for root from XXXXXXXX
Did not receive identification string from XXXXXXX
Invalid user suse-gm from XXXXXXX
pam_tally(sshd:auth): pam_get_uid; no such user
error: PAM: User not known to the underlying authentication module for illegal user suse-gm from XXXXXXX
Failed keyboard-interactive/pam for invalid user suse-gm from XXXXX port XXXXX ssh2


Last edited by rbatte1; 04-28-2015 at 01:05 PM.. Reason: Remmoved FONT formatting. Emboldened file name and wrapped output in CODE tags.
 

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IPSEC_BARF(8)							Executable programs						     IPSEC_BARF(8)

NAME
ipsec_barf - spew out collected IPsec debugging information SYNOPSIS
ipsec barf [--short --maxlines <100>] DESCRIPTION
Barf outputs (on standard output) a collection of debugging information (contents of files, selections from logs, etc.) related to the IPsec encryption/authentication system. It is primarily a convenience for remote debugging, a single command which packages up (and labels) all information that might be relevant to diagnosing a problem in IPsec. The --short option limits the length of the log portion of barf's output, which can otherwise be extremely voluminous if debug logging is turned on. --maxlines <100> option sets the length of some bits of information, currently netstat -rn. Useful on boxes where the routing table is thousands of lines long. Default is 100. Barf censors its output, replacing keys and secrets with brief checksums to avoid revealing sensitive information. Beware that the output of both commands is aimed at humans, not programs, and the output format is subject to change without warning. Barf has to figure out which files in /var/log contain the IPsec log messages. It looks for KLIPS and general log messages first in messages and syslog, and for Pluto messages first in secure, auth.log, and debug. In both cases, if it does not find what it is looking for in one of those "likely" places, it will resort to a brute-force search of most (non-compressed) files in /var/log. FILES
/proc/net/* /var/log/* /etc/ipsec.conf /etc/ipsec.secrets HISTORY
Written for the Linux FreeS/WAN project <http://www.freeswan.org> by Henry Spencer. BUGS
Barf uses heuristics to try to pick relevant material out of the logs, and relevant messages which are not labelled with any of the tags that barf looks for will be lost. We think we've eliminated the last such case, but one never knows... Finding updown scripts (so they can be included in output) is, in general, difficult. Barf uses a very simple heuristic that is easily fooled. The brute-force search for the right log files can get expensive on systems with a lot of clutter in /var/log. AUTHOR
Paul Wouters placeholder to suppress warning libreswan 12/16/2012 IPSEC_BARF(8)
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